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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2022-11-03 11:38:42 -07:00
commit fbeb229a66
369 changed files with 3238 additions and 1632 deletions
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4
Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers
View file

@ -10,7 +10,7 @@ Description: A collection of all the memory tiers allocated.
What: /sys/devices/virtual/memory_tiering/memory_tierN/
/sys/devices/virtual/memory_tiering/memory_tierN/nodes
/sys/devices/virtual/memory_tiering/memory_tierN/nodelist
Date: August 2022
Contact: Linux memory management mailing list <linux-mm@kvack.org>
Description: Directory with details of a specific memory tier
@ -21,5 +21,5 @@ Description: Directory with details of a specific memory tier
A smaller value of N implies a higher (faster) memory tier in the
hierarchy.
nodes: NUMA nodes that are part of this memory tier.
nodelist: NUMA nodes that are part of this memory tier.

2
Documentation/kernel-hacking/hacking.rst
View file

@ -120,7 +120,7 @@ You can tell you are in a softirq (or tasklet) using the
.. warning::
Beware that this will return a false positive if a
:ref:`botton half lock <local_bh_disable>` is held.
:ref:`bottom half lock <local_bh_disable>` is held.
Some Basic Rules
================

13
Documentation/process/2.Process.rst
View file

@ -126,17 +126,10 @@ than one development cycle past their initial release. So, for example, the
5.2.21 was the final stable update of the 5.2 release.
Some kernels are designated "long term" kernels; they will receive support
for a longer period. As of this writing, the current long term kernels
and their maintainers are:
for a longer period. Please refer to the following link for the list of active
long term kernel versions and their maintainers:
====== ================================ =======================
3.16 Ben Hutchings (very long-term kernel)
4.4 Greg Kroah-Hartman & Sasha Levin (very long-term kernel)
4.9 Greg Kroah-Hartman & Sasha Levin
4.14 Greg Kroah-Hartman & Sasha Levin
4.19 Greg Kroah-Hartman & Sasha Levin
5.4 Greg Kroah-Hartman & Sasha Levin
====== ================================ =======================
https://www.kernel.org/category/releases.html
The selection of a kernel for long-term support is purely a matter of a
maintainer having the need and the time to maintain that release. There

2
Documentation/process/howto.rst
View file

@ -36,7 +36,7 @@ experience, the following books are good for, if anything, reference:
- "C: A Reference Manual" by Harbison and Steele [Prentice Hall]
The kernel is written using GNU C and the GNU toolchain. While it
adheres to the ISO C89 standard, it uses a number of extensions that are
adheres to the ISO C11 standard, it uses a number of extensions that are
not featured in the standard. The kernel is a freestanding C
environment, with no reliance on the standard C library, so some
portions of the C standard are not supported. Arbitrary long long

2
Documentation/trace/histogram.rst
View file

@ -39,7 +39,7 @@ Documentation written by Tom Zanussi
will use the event's kernel stacktrace as the key. The keywords
'keys' or 'key' can be used to specify keys, and the keywords
'values', 'vals', or 'val' can be used to specify values. Compound
keys consisting of up to two fields can be specified by the 'keys'
keys consisting of up to three fields can be specified by the 'keys'
keyword. Hashing a compound key produces a unique entry in the
table for each unique combination of component keys, and can be
useful for providing more fine-grained summaries of event data.

2
Documentation/translations/it_IT/process/howto.rst
View file

@ -44,7 +44,7 @@ altro, utili riferimenti:
- "C: A Reference Manual" di Harbison and Steele [Prentice Hall]
Il kernel è stato scritto usando GNU C e la toolchain GNU.
Sebbene si attenga allo standard ISO C89, esso utilizza una serie di
Sebbene si attenga allo standard ISO C11, esso utilizza una serie di
estensioni che non sono previste in questo standard. Il kernel è un
ambiente C indipendente, che non ha alcuna dipendenza dalle librerie
C standard, così alcune parti del C standard non sono supportate.

2
Documentation/translations/ja_JP/howto.rst
View file

@ -65,7 +65,7 @@ Linux カーネル開発のやり方
- 『新・詳説 C 言語 H&S リファレンス』 (サミュエル P ハービソン/ガイ L スティール共著 斉藤 信男監訳)[ソフトバンク]
カーネルは GNU C と GNU ツールチェインを使って書かれています。カーネル
は ISO C89 仕様に準拠して書く一方で、標準には無い言語拡張を多く使って
は ISO C11 仕様に準拠して書く一方で、標準には無い言語拡張を多く使って
います。カーネルは標準 C ライブラリに依存しない、C 言語非依存環境です。
そのため、C の標準の中で使えないものもあります。特に任意の long long
の除算や浮動小数点は使えません。カーネルがツールチェインや C 言語拡張

2
Documentation/translations/ko_KR/howto.rst
View file

@ -62,7 +62,7 @@ Documentation/process/howto.rst
- "Practical C Programming" by Steve Oualline [O'Reilly]
- "C: A Reference Manual" by Harbison and Steele [Prentice Hall]
커널은 GNU C와 GNU 툴체인을 사용하여 작성되었다. 이 툴들은 ISO C89 표준을
커널은 GNU C와 GNU 툴체인을 사용하여 작성되었다. 이 툴들은 ISO C11 표준을
따르는 반면 표준에 있지 않은 많은 확장기능도 가지고 있다. 커널은 표준 C
라이브러리와는 관계없이 freestanding C 환경이어서 C 표준의 일부는
지원되지 않는다. 임의의 long long 나누기나 floating point는 지원되지 않는다.

2
Documentation/translations/zh_CN/process/howto.rst
View file

@ -45,7 +45,7 @@ Linux内核大部分是由C语言写成的，一些体系结构相关的代码
- "C: A Reference Manual" by Harbison and Steele [Prentice Hall]
《C语言参考手册（原书第5版）》（邱仲潘 等译）[机械工业出版社]
Linux内核使用GNU C和GNU工具链开发。虽然它遵循ISO C89标准，但也用到了一些
Linux内核使用GNU C和GNU工具链开发。虽然它遵循ISO C11标准，但也用到了一些
标准中没有定义的扩展。内核是自给自足的C环境，不依赖于标准C库的支持，所以
并不支持C标准中的部分定义。比如long long类型的大数除法和浮点运算就不允许
使用。有时候确实很难弄清楚内核对工具链的要求和它所使用的扩展，不幸的是目

2
Documentation/translations/zh_TW/process/howto.rst
View file

@ -48,7 +48,7 @@ Linux內核大部分是由C語言寫成的，一些體系結構相關的代碼
- "C: A Reference Manual" by Harbison and Steele [Prentice Hall]
《C語言參考手冊（原書第5版）》（邱仲潘 等譯）[機械工業出版社]
Linux內核使用GNU C和GNU工具鏈開發。雖然它遵循ISO C89標準，但也用到了一些
Linux內核使用GNU C和GNU工具鏈開發。雖然它遵循ISO C11標準，但也用到了一些
標準中沒有定義的擴展。內核是自給自足的C環境，不依賴於標準C庫的支持，所以
並不支持C標準中的部分定義。比如long long類型的大數除法和浮點運算就不允許
使用。有時候確實很難弄清楚內核對工具鏈的要求和它所使用的擴展，不幸的是目

50
MAINTAINERS
View file

@ -4102,6 +4102,7 @@ N: bcm7038
N: bcm7120
BROADCOM BDC DRIVER
M: Justin Chen <justinpopo6@gmail.com>
M: Al Cooper <alcooperx@gmail.com>
L: linux-usb@vger.kernel.org
R: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
@ -4208,6 +4209,7 @@ F: Documentation/devicetree/bindings/serial/brcm,bcm7271-uart.yaml
F: drivers/tty/serial/8250/8250_bcm7271.c
BROADCOM BRCMSTB USB EHCI DRIVER
M: Justin Chen <justinpopo6@gmail.com>
M: Al Cooper <alcooperx@gmail.com>
R: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
L: linux-usb@vger.kernel.org
@ -4224,6 +4226,7 @@ F: Documentation/devicetree/bindings/usb/brcm,usb-pinmap.yaml
F: drivers/usb/misc/brcmstb-usb-pinmap.c
BROADCOM BRCMSTB USB2 and USB3 PHY DRIVER
M: Justin Chen <justinpopo6@gmail.com>
M: Al Cooper <alcooperx@gmail.com>
R: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
L: linux-kernel@vger.kernel.org
@ -5039,7 +5042,7 @@ F: drivers/scsi/snic/
CISCO VIC ETHERNET NIC DRIVER
M: Christian Benvenuti <benve@cisco.com>
M: Govindarajulu Varadarajan <_govind@gmx.com>
M: Satish Kharat <satishkh@cisco.com>
S: Supported
F: drivers/net/ethernet/cisco/enic/
@ -9777,7 +9780,10 @@ S: Supported
F: drivers/pci/hotplug/rpaphp*
IBM Power SRIOV Virtual NIC Device Driver
M: Dany Madden <drt@linux.ibm.com>
M: Haren Myneni <haren@linux.ibm.com>
M: Rick Lindsley <ricklind@linux.ibm.com>
R: Nick Child <nnac123@linux.ibm.com>
R: Dany Madden <danymadden@us.ibm.com>
R: Thomas Falcon <tlfalcon@linux.ibm.com>
L: netdev@vger.kernel.org
S: Supported
@ -11247,7 +11253,7 @@ L: kvm@vger.kernel.org
L: kvm-riscv@lists.infradead.org
L: linux-riscv@lists.infradead.org
S: Maintained
T: git git://github.com/kvm-riscv/linux.git
T: git https://github.com/kvm-riscv/linux.git
F: arch/riscv/include/asm/kvm*
F: arch/riscv/include/uapi/asm/kvm*
F: arch/riscv/kvm/
@ -11260,7 +11266,6 @@ M: Claudio Imbrenda <imbrenda@linux.ibm.com>
R: David Hildenbrand <david@redhat.com>
L: kvm@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git
F: Documentation/virt/kvm/s390*
F: arch/s390/include/asm/gmap.h
@ -14527,7 +14532,7 @@ L: linux-nilfs@vger.kernel.org
S: Supported
W: https://nilfs.sourceforge.io/
W: https://nilfs.osdn.jp/
T: git git://github.com/konis/nilfs2.git
T: git https://github.com/konis/nilfs2.git
F: Documentation/filesystems/nilfs2.rst
F: fs/nilfs2/
F: include/trace/events/nilfs2.h
@ -15631,7 +15636,7 @@ F: drivers/input/serio/gscps2.c
F: drivers/input/serio/hp_sdc*
F: drivers/parisc/
F: drivers/parport/parport_gsc.*
F: drivers/tty/serial/8250/8250_gsc.c
F: drivers/tty/serial/8250/8250_parisc.c
F: drivers/video/console/sti*
F: drivers/video/fbdev/sti*
F: drivers/video/logo/logo_parisc*
@ -17816,7 +17821,7 @@ S: Odd Fixes
F: drivers/tty/serial/rp2.*
ROHM BD99954 CHARGER IC
R: Matti Vaittinen <mazziesaccount@gmail.com>
M: Matti Vaittinen <mazziesaccount@gmail.com>
S: Supported
F: drivers/power/supply/bd99954-charger.c
F: drivers/power/supply/bd99954-charger.h
@ -17839,7 +17844,7 @@ F: drivers/regulator/bd9571mwv-regulator.c
F: include/linux/mfd/bd9571mwv.h
ROHM POWER MANAGEMENT IC DEVICE DRIVERS
R: Matti Vaittinen <mazziesaccount@gmail.com>
M: Matti Vaittinen <mazziesaccount@gmail.com>
S: Supported
F: drivers/clk/clk-bd718x7.c
F: drivers/gpio/gpio-bd71815.c
@ -18001,7 +18006,6 @@ R: Christian Borntraeger <borntraeger@linux.ibm.com>
R: Sven Schnelle <svens@linux.ibm.com>
L: linux-s390@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git
F: Documentation/driver-api/s390-drivers.rst
F: Documentation/s390/
@ -18013,7 +18017,6 @@ M: Vineeth Vijayan <vneethv@linux.ibm.com>
M: Peter Oberparleiter <oberpar@linux.ibm.com>
L: linux-s390@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
F: drivers/s390/cio/
S390 DASD DRIVER
@ -18021,7 +18024,6 @@ M: Stefan Haberland <sth@linux.ibm.com>
M: Jan Hoeppner <hoeppner@linux.ibm.com>
L: linux-s390@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
F: block/partitions/ibm.c
F: drivers/s390/block/dasd*
F: include/linux/dasd_mod.h
@ -18031,7 +18033,6 @@ M: Matthew Rosato <mjrosato@linux.ibm.com>
M: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
L: linux-s390@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
F: drivers/iommu/s390-iommu.c
S390 IUCV NETWORK LAYER
@ -18040,7 +18041,6 @@ M: Wenjia Zhang <wenjia@linux.ibm.com>
L: linux-s390@vger.kernel.org
L: netdev@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
F: drivers/s390/net/*iucv*
F: include/net/iucv/
F: net/iucv/
@ -18051,7 +18051,6 @@ M: Wenjia Zhang <wenjia@linux.ibm.com>
L: linux-s390@vger.kernel.org
L: netdev@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
F: drivers/s390/net/
S390 PCI SUBSYSTEM
@ -18059,7 +18058,6 @@ M: Niklas Schnelle <schnelle@linux.ibm.com>
M: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
L: linux-s390@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
F: arch/s390/pci/
F: drivers/pci/hotplug/s390_pci_hpc.c
F: Documentation/s390/pci.rst
@ -18070,7 +18068,6 @@ M: Halil Pasic <pasic@linux.ibm.com>
M: Jason Herne <jjherne@linux.ibm.com>
L: linux-s390@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
F: Documentation/s390/vfio-ap*
F: drivers/s390/crypto/vfio_ap*
@ -18099,7 +18096,6 @@ S390 ZCRYPT DRIVER
M: Harald Freudenberger <freude@linux.ibm.com>
L: linux-s390@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
F: drivers/s390/crypto/
S390 ZFCP DRIVER
@ -18107,7 +18103,6 @@ M: Steffen Maier <maier@linux.ibm.com>
M: Benjamin Block <bblock@linux.ibm.com>
L: linux-s390@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
F: drivers/s390/scsi/zfcp_*
S3C ADC BATTERY DRIVER
@ -18679,7 +18674,6 @@ M: Wenjia Zhang <wenjia@linux.ibm.com>
M: Jan Karcher <jaka@linux.ibm.com>
L: linux-s390@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
F: net/smc/
SHARP GP2AP002A00F/GP2AP002S00F SENSOR DRIVER
@ -18790,7 +18784,7 @@ M: Palmer Dabbelt <palmer@dabbelt.com>
M: Paul Walmsley <paul.walmsley@sifive.com>
L: linux-riscv@lists.infradead.org
S: Supported
T: git git://github.com/sifive/riscv-linux.git
T: git https://github.com/sifive/riscv-linux.git
N: sifive
K: [^@]sifive
@ -21194,15 +21188,6 @@ S: Maintained
F: Documentation/usb/ehci.rst
F: drivers/usb/host/ehci*
USB GADGET/PERIPHERAL SUBSYSTEM
M: Felipe Balbi <balbi@kernel.org>
L: linux-usb@vger.kernel.org
S: Maintained
W: http://www.linux-usb.org/gadget
T: git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git
F: drivers/usb/gadget/
F: include/linux/usb/gadget*
USB HID/HIDBP DRIVERS (USB KEYBOARDS, MICE, REMOTE CONTROLS, ...)
M: Jiri Kosina <jikos@kernel.org>
M: Benjamin Tissoires <benjamin.tissoires@redhat.com>
@ -21309,13 +21294,6 @@ W: https://github.com/petkan/pegasus
T: git https://github.com/petkan/pegasus.git
F: drivers/net/usb/pegasus.*
USB PHY LAYER
M: Felipe Balbi <balbi@kernel.org>
L: linux-usb@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git
F: drivers/usb/phy/
USB PRINTER DRIVER (usblp)
M: Pete Zaitcev <zaitcev@redhat.com>
L: linux-usb@vger.kernel.org

2
Makefile
View file

@ -2,7 +2,7 @@
VERSION = 6
PATCHLEVEL = 1
SUBLEVEL = 0
EXTRAVERSION = -rc2
EXTRAVERSION = -rc3
NAME = Hurr durr I'ma ninja sloth
# *DOCUMENTATION*

2
arch/loongarch/include/asm/processor.h
View file

@ -191,7 +191,7 @@ static inline void flush_thread(void)
unsigned long __get_wchan(struct task_struct *p);
#define __KSTK_TOS(tsk) ((unsigned long)task_stack_page(tsk) + \
THREAD_SIZE - 32 - sizeof(struct pt_regs))
THREAD_SIZE - sizeof(struct pt_regs))
#define task_pt_regs(tsk) ((struct pt_regs *)__KSTK_TOS(tsk))
#define KSTK_EIP(tsk) (task_pt_regs(tsk)->csr_era)
#define KSTK_ESP(tsk) (task_pt_regs(tsk)->regs[3])

4
arch/loongarch/include/asm/ptrace.h
View file

@ -29,7 +29,7 @@ struct pt_regs {
unsigned long csr_euen;
unsigned long csr_ecfg;
unsigned long csr_estat;
unsigned long __last[0];
unsigned long __last[];
} __aligned(8);
static inline int regs_irqs_disabled(struct pt_regs *regs)
@ -133,7 +133,7 @@ static inline void die_if_kernel(const char *str, struct pt_regs *regs)
#define current_pt_regs() \
({ \
unsigned long sp = (unsigned long)__builtin_frame_address(0); \
(struct pt_regs *)((sp | (THREAD_SIZE - 1)) + 1 - 32) - 1; \
(struct pt_regs *)((sp | (THREAD_SIZE - 1)) + 1) - 1; \
})
/* Helpers for working with the user stack pointer */

3
arch/loongarch/kernel/head.S
View file

@ -84,10 +84,9 @@ SYM_CODE_START(kernel_entry) # kernel entry point
la.pcrel tp, init_thread_union
/* Set the SP after an empty pt_regs. */
PTR_LI sp, (_THREAD_SIZE - 32 - PT_SIZE)
PTR_LI sp, (_THREAD_SIZE - PT_SIZE)
PTR_ADD sp, sp, tp
set_saved_sp sp, t0, t1
PTR_ADDI sp, sp, -4 * SZREG # init stack pointer
bl start_kernel
ASM_BUG()

4
arch/loongarch/kernel/process.c
View file

@ -129,7 +129,7 @@ int copy_thread(struct task_struct *p, const struct kernel_clone_args *args)
unsigned long clone_flags = args->flags;
struct pt_regs *childregs, *regs = current_pt_regs();
childksp = (unsigned long)task_stack_page(p) + THREAD_SIZE - 32;
childksp = (unsigned long)task_stack_page(p) + THREAD_SIZE;
/* set up new TSS. */
childregs = (struct pt_regs *) childksp - 1;
@ -236,7 +236,7 @@ bool in_task_stack(unsigned long stack, struct task_struct *task,
struct stack_info *info)
{
unsigned long begin = (unsigned long)task_stack_page(task);
unsigned long end = begin + THREAD_SIZE - 32;
unsigned long end = begin + THREAD_SIZE;
if (stack < begin || stack >= end)
return false;

2
arch/loongarch/kernel/switch.S
View file

@ -26,7 +26,7 @@ SYM_FUNC_START(__switch_to)
move tp, a2
cpu_restore_nonscratch a1
li.w t0, _THREAD_SIZE - 32
li.w t0, _THREAD_SIZE
PTR_ADD t0, t0, tp
set_saved_sp t0, t1, t2

31
arch/loongarch/net/bpf_jit.c
View file

@ -279,6 +279,7 @@ static void emit_atomic(const struct bpf_insn *insn, struct jit_ctx *ctx)
const u8 t1 = LOONGARCH_GPR_T1;
const u8 t2 = LOONGARCH_GPR_T2;
const u8 t3 = LOONGARCH_GPR_T3;
const u8 r0 = regmap[BPF_REG_0];
const u8 src = regmap[insn->src_reg];
const u8 dst = regmap[insn->dst_reg];
const s16 off = insn->off;
@ -359,8 +360,6 @@ static void emit_atomic(const struct bpf_insn *insn, struct jit_ctx *ctx)
break;
/* r0 = atomic_cmpxchg(dst + off, r0, src); */
case BPF_CMPXCHG:
u8 r0 = regmap[BPF_REG_0];
move_reg(ctx, t2, r0);
if (isdw) {
emit_insn(ctx, lld, r0, t1, 0);
@ -390,8 +389,11 @@ static bool is_signed_bpf_cond(u8 cond)
static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx, bool extra_pass)
{
const bool is32 = BPF_CLASS(insn->code) == BPF_ALU ||
BPF_CLASS(insn->code) == BPF_JMP32;
u8 tm = -1;
u64 func_addr;
bool func_addr_fixed;
int i = insn - ctx->prog->insnsi;
int ret, jmp_offset;
const u8 code = insn->code;
const u8 cond = BPF_OP(code);
const u8 t1 = LOONGARCH_GPR_T1;
@ -400,8 +402,8 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx, bool ext
const u8 dst = regmap[insn->dst_reg];
const s16 off = insn->off;
const s32 imm = insn->imm;
int jmp_offset;
int i = insn - ctx->prog->insnsi;
const u64 imm64 = (u64)(insn + 1)->imm << 32 | (u32)insn->imm;
const bool is32 = BPF_CLASS(insn->code) == BPF_ALU || BPF_CLASS(insn->code) == BPF_JMP32;
switch (code) {
/* dst = src */
@ -724,24 +726,23 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx, bool ext
case BPF_JMP32 | BPF_JSGE | BPF_K:
case BPF_JMP32 | BPF_JSLT | BPF_K:
case BPF_JMP32 | BPF_JSLE | BPF_K:
u8 t7 = -1;
jmp_offset = bpf2la_offset(i, off, ctx);
if (imm) {
move_imm(ctx, t1, imm, false);
t7 = t1;
tm = t1;
} else {
/* If imm is 0, simply use zero register. */
t7 = LOONGARCH_GPR_ZERO;
tm = LOONGARCH_GPR_ZERO;
}
move_reg(ctx, t2, dst);
if (is_signed_bpf_cond(BPF_OP(code))) {
emit_sext_32(ctx, t7, is32);
emit_sext_32(ctx, tm, is32);
emit_sext_32(ctx, t2, is32);
} else {
emit_zext_32(ctx, t7, is32);
emit_zext_32(ctx, tm, is32);
emit_zext_32(ctx, t2, is32);
}
if (emit_cond_jmp(ctx, cond, t2, t7, jmp_offset) < 0)
if (emit_cond_jmp(ctx, cond, t2, tm, jmp_offset) < 0)
goto toofar;
break;
@ -775,10 +776,6 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx, bool ext
/* function call */
case BPF_JMP | BPF_CALL:
int ret;
u64 func_addr;
bool func_addr_fixed;
mark_call(ctx);
ret = bpf_jit_get_func_addr(ctx->prog, insn, extra_pass,
&func_addr, &func_addr_fixed);
@ -811,8 +808,6 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx, bool ext
/* dst = imm64 */
case BPF_LD | BPF_IMM | BPF_DW:
u64 imm64 = (u64)(insn + 1)->imm << 32 | (u32)insn->imm;
move_imm(ctx, dst, imm64, is32);
return 1;

12
arch/parisc/include/asm/hardware.h
View file

@ -10,12 +10,12 @@
#define SVERSION_ANY_ID PA_SVERSION_ANY_ID
struct hp_hardware {
unsigned short hw_type:5; /* HPHW_xxx */
unsigned short hversion;
unsigned long sversion:28;
unsigned short opt;
const char name[80]; /* The hardware description */
};
unsigned int hw_type:8; /* HPHW_xxx */
unsigned int hversion:12;
unsigned int sversion:12;
unsigned char opt;
unsigned char name[59]; /* The hardware description */
} __packed;
struct parisc_device;

36
arch/parisc/include/uapi/asm/pdc.h
View file

@ -363,20 +363,25 @@
#if !defined(__ASSEMBLY__)
/* flags of the device_path */
/* flags for hardware_path */
#define PF_AUTOBOOT 0x80
#define PF_AUTOSEARCH 0x40
#define PF_TIMER 0x0F
struct device_path { /* page 1-69 */
unsigned char flags; /* flags see above! */
unsigned char bc[6]; /* bus converter routing info */
unsigned char mod;
unsigned int layers[6];/* device-specific layer-info */
} __attribute__((aligned(8))) ;
struct hardware_path {
unsigned char flags; /* see bit definitions below */
signed char bc[6]; /* Bus Converter routing info to a specific */
/* I/O adaptor (< 0 means none, > 63 resvd) */
signed char mod; /* fixed field of specified module */
};
struct pdc_module_path { /* page 1-69 */
struct hardware_path path;
unsigned int layers[6]; /* device-specific info (ctlr #, unit # ...) */
} __attribute__((aligned(8)));
struct pz_device {
struct device_path dp; /* see above */
struct pdc_module_path dp; /* see above */
/* struct iomod *hpa; */
unsigned int hpa; /* HPA base address */
/* char *spa; */
@ -611,21 +616,6 @@ struct pdc_initiator { /* PDC_INITIATOR */
int mode;
};
struct hardware_path {
char flags; /* see bit definitions below */
char bc[6]; /* Bus Converter routing info to a specific */
/* I/O adaptor (< 0 means none, > 63 resvd) */
char mod; /* fixed field of specified module */
};
/*
* Device path specifications used by PDC.
*/
struct pdc_module_path {
struct hardware_path path;
unsigned int layers[6]; /* device-specific info (ctlr #, unit # ...) */
};
/* Only used on some pre-PA2.0 boxes */
struct pdc_memory_map { /* PDC_MEMORY_MAP */
unsigned long hpa; /* mod's register set address */

14
arch/parisc/kernel/drivers.c
View file

@ -882,15 +882,13 @@ void __init walk_central_bus(void)
&root);
}
static void print_parisc_device(struct parisc_device *dev)
static __init void print_parisc_device(struct parisc_device *dev)
{
char hw_path[64];
static int count;
static int count __initdata;
print_pa_hwpath(dev, hw_path);
pr_info("%d. %s at %pap [%s] { %d, 0x%x, 0x%.3x, 0x%.5x }",
++count, dev->name, &(dev->hpa.start), hw_path, dev->id.hw_type,
dev->id.hversion_rev, dev->id.hversion, dev->id.sversion);
pr_info("%d. %s at %pap { type:%d, hv:%#x, sv:%#x, rev:%#x }",
++count, dev->name, &(dev->hpa.start), dev->id.hw_type,
dev->id.hversion, dev->id.sversion, dev->id.hversion_rev);
if (dev->num_addrs) {
int k;
@ -1079,7 +1077,7 @@ static __init int qemu_print_iodc_data(struct device *lin_dev, void *data)
static int print_one_device(struct device * dev, void * data)
static __init int print_one_device(struct device * dev, void * data)
{
struct parisc_device * pdev = to_parisc_device(dev);

3
arch/powerpc/Kconfig
View file

@ -147,6 +147,7 @@ config PPC
select ARCH_MIGHT_HAVE_PC_SERIO
select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT
select ARCH_SPLIT_ARG64 if PPC32
select ARCH_STACKWALK
select ARCH_SUPPORTS_ATOMIC_RMW
select ARCH_SUPPORTS_DEBUG_PAGEALLOC if PPC_BOOK3S || PPC_8xx || 40x
@ -285,7 +286,7 @@ config PPC
#
config PPC_LONG_DOUBLE_128
depends on PPC64
depends on PPC64 && ALTIVEC
def_bool $(success,test "$(shell,echo __LONG_DOUBLE_128__ | $(CC) -E -P -)" = 1)
config PPC_BARRIER_NOSPEC

6
arch/powerpc/include/asm/book3s/64/tlbflush-hash.h
View file

@ -32,6 +32,11 @@ static inline void arch_enter_lazy_mmu_mode(void)
if (radix_enabled())
return;
/*
* apply_to_page_range can call us this preempt enabled when
* operating on kernel page tables.
*/
preempt_disable();
batch = this_cpu_ptr(&ppc64_tlb_batch);
batch->active = 1;
}
@ -47,6 +52,7 @@ static inline void arch_leave_lazy_mmu_mode(void)
if (batch->index)
__flush_tlb_pending(batch);
batch->active = 0;
preempt_enable();
}
#define arch_flush_lazy_mmu_mode() do {} while (0)

7
arch/powerpc/include/asm/syscalls.h
View file

@ -104,6 +104,13 @@ long sys_ppc_ftruncate64(unsigned int fd, u32 reg4,
unsigned long len1, unsigned long len2);
long sys_ppc32_fadvise64(int fd, u32 unused, u32 offset1, u32 offset2,
size_t len, int advice);
long sys_ppc_sync_file_range2(int fd, unsigned int flags,
unsigned int offset1,
unsigned int offset2,
unsigned int nbytes1,
unsigned int nbytes2);
long sys_ppc_fallocate(int fd, int mode, u32 offset1, u32 offset2,
u32 len1, u32 len2);
#endif
#ifdef CONFIG_COMPAT
long compat_sys_mmap2(unsigned long addr, size_t len,

7
arch/powerpc/kernel/exceptions-64e.S
View file

@ -813,6 +813,13 @@ kernel_dbg_exc:
EXCEPTION_COMMON(0x260)
CHECK_NAPPING()
addi r3,r1,STACK_FRAME_OVERHEAD
/*
* XXX: Returning from performance_monitor_exception taken as a
* soft-NMI (Linux irqs disabled) may be risky to use interrupt_return
* and could cause bugs in return or elsewhere. That case should just
* restore registers and return. There is a workaround for one known
* problem in interrupt_exit_kernel_prepare().
*/
bl performance_monitor_exception
b interrupt_return

14
arch/powerpc/kernel/exceptions-64s.S
View file

@ -2357,9 +2357,21 @@ EXC_VIRT_END(performance_monitor, 0x4f00, 0x20)
EXC_COMMON_BEGIN(performance_monitor_common)
GEN_COMMON performance_monitor
addi r3,r1,STACK_FRAME_OVERHEAD
bl performance_monitor_exception
lbz r4,PACAIRQSOFTMASK(r13)
cmpdi r4,IRQS_ENABLED
bne 1f
bl performance_monitor_exception_async
b interrupt_return_srr
1:
bl performance_monitor_exception_nmi
/* Clear MSR_RI before setting SRR0 and SRR1. */
li r9,0
mtmsrd r9,1
kuap_kernel_restore r9, r10
EXCEPTION_RESTORE_REGS hsrr=0
RFI_TO_KERNEL
/**
* Interrupt 0xf20 - Vector Unavailable Interrupt.

14
arch/powerpc/kernel/interrupt.c
View file

@ -374,10 +374,18 @@ notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs)
if (regs_is_unrecoverable(regs))
unrecoverable_exception(regs);
/*
* CT_WARN_ON comes here via program_check_exception,
* so avoid recursion.
* CT_WARN_ON comes here via program_check_exception, so avoid
* recursion.
*
* Skip the assertion on PMIs on 64e to work around a problem caused
* by NMI PMIs incorrectly taking this interrupt return path, it's
* possible for this to hit after interrupt exit to user switches
* context to user. See also the comment in the performance monitor
* handler in exceptions-64e.S
*/
if (TRAP(regs) != INTERRUPT_PROGRAM)
if (!IS_ENABLED(CONFIG_PPC_BOOK3E_64) &&
TRAP(regs) != INTERRUPT_PROGRAM &&
TRAP(regs) != INTERRUPT_PERFMON)
CT_WARN_ON(ct_state() == CONTEXT_USER);
kuap = kuap_get_and_assert_locked();

13
arch/powerpc/kernel/interrupt_64.S
View file

@ -532,15 +532,24 @@ _ASM_NOKPROBE_SYMBOL(interrupt_return_\srr\()_kernel)
* Returning to soft-disabled context.
* Check if a MUST_HARD_MASK interrupt has become pending, in which
* case we need to disable MSR[EE] in the return context.
*
* The MSR[EE] check catches among other things the short incoherency
* in hard_irq_disable() between clearing MSR[EE] and setting
* PACA_IRQ_HARD_DIS.
*/
ld r12,_MSR(r1)
andi. r10,r12,MSR_EE
beq .Lfast_kernel_interrupt_return_\srr\() // EE already disabled
lbz r11,PACAIRQHAPPENED(r13)
andi. r10,r11,PACA_IRQ_MUST_HARD_MASK
beq .Lfast_kernel_interrupt_return_\srr\() // No HARD_MASK pending
bne 1f // HARD_MASK is pending
// No HARD_MASK pending, clear possible HARD_DIS set by interrupt
andi. r11,r11,(~PACA_IRQ_HARD_DIS)@l
stb r11,PACAIRQHAPPENED(r13)
b .Lfast_kernel_interrupt_return_\srr\()
/* Must clear MSR_EE from _MSR */
1: /* Must clear MSR_EE from _MSR */
#ifdef CONFIG_PPC_BOOK3S
li r10,0
/* Clear valid before changing _MSR */

13
arch/powerpc/kernel/sys_ppc32.c
View file

@ -112,7 +112,7 @@ PPC32_SYSCALL_DEFINE6(ppc32_fadvise64,
advice);
}
COMPAT_SYSCALL_DEFINE6(ppc_sync_file_range2,
PPC32_SYSCALL_DEFINE6(ppc_sync_file_range2,
int, fd, unsigned int, flags,
unsigned int, offset1, unsigned int, offset2,
unsigned int, nbytes1, unsigned int, nbytes2)
@ -122,3 +122,14 @@ COMPAT_SYSCALL_DEFINE6(ppc_sync_file_range2,
return ksys_sync_file_range(fd, offset, nbytes, flags);
}
#ifdef CONFIG_PPC32
SYSCALL_DEFINE6(ppc_fallocate,
int, fd, int, mode,
u32, offset1, u32, offset2, u32, len1, u32, len2)
{
return ksys_fallocate(fd, mode,
merge_64(offset1, offset2),
merge_64(len1, len2));
}
#endif

7
arch/powerpc/kernel/syscalls/syscall.tbl
View file

@ -394,8 +394,11 @@
305 common signalfd sys_signalfd compat_sys_signalfd
306 common timerfd_create sys_timerfd_create
307 common eventfd sys_eventfd
308 common sync_file_range2 sys_sync_file_range2 compat_sys_ppc_sync_file_range2
309 nospu fallocate sys_fallocate compat_sys_fallocate
308 32 sync_file_range2 sys_ppc_sync_file_range2 compat_sys_ppc_sync_file_range2
308 64 sync_file_range2 sys_sync_file_range2
308 spu sync_file_range2 sys_sync_file_range2
309 32 fallocate sys_ppc_fallocate compat_sys_fallocate
309 64 fallocate sys_fallocate
310 nospu subpage_prot sys_subpage_prot
311 32 timerfd_settime sys_timerfd_settime32
311 64 timerfd_settime sys_timerfd_settime

4
arch/powerpc/kvm/Kconfig
View file

@ -51,6 +51,7 @@ config KVM_BOOK3S_HV_POSSIBLE
config KVM_BOOK3S_32
tristate "KVM support for PowerPC book3s_32 processors"
depends on PPC_BOOK3S_32 && !SMP && !PTE_64BIT
depends on !CONTEXT_TRACKING_USER
select KVM
select KVM_BOOK3S_32_HANDLER
select KVM_BOOK3S_PR_POSSIBLE
@ -105,6 +106,7 @@ config KVM_BOOK3S_64_HV
config KVM_BOOK3S_64_PR
tristate "KVM support without using hypervisor mode in host"
depends on KVM_BOOK3S_64
depends on !CONTEXT_TRACKING_USER
select KVM_BOOK3S_PR_POSSIBLE
help
Support running guest kernels in virtual machines on processors
@ -190,6 +192,7 @@ config KVM_EXIT_TIMING
config KVM_E500V2
bool "KVM support for PowerPC E500v2 processors"
depends on PPC_E500 && !PPC_E500MC
depends on !CONTEXT_TRACKING_USER
select KVM
select KVM_MMIO
select MMU_NOTIFIER
@ -205,6 +208,7 @@ config KVM_E500V2
config KVM_E500MC
bool "KVM support for PowerPC E500MC/E5500/E6500 processors"
depends on PPC_E500MC
depends on !CONTEXT_TRACKING_USER
select KVM
select KVM_MMIO
select KVM_BOOKE_HV

12
arch/powerpc/lib/vmx-helper.c
View file

@ -36,7 +36,17 @@ int exit_vmx_usercopy(void)
{
disable_kernel_altivec();
pagefault_enable();
preempt_enable();
preempt_enable_no_resched();
/*
* Must never explicitly call schedule (including preempt_enable())
* while in a kuap-unlocked user copy, because the AMR register will
* not be saved and restored across context switch. However preempt
* kernels need to be preempted as soon as possible if need_resched is
* set and we are preemptible. The hack here is to schedule a
* decrementer to fire here and reschedule for us if necessary.
*/
if (IS_ENABLED(CONFIG_PREEMPT) && need_resched())
set_dec(1);
return 0;
}

67
arch/powerpc/mm/book3s64/hash_native.c
View file

@ -43,6 +43,29 @@
static DEFINE_RAW_SPINLOCK(native_tlbie_lock);
#ifdef CONFIG_LOCKDEP
static struct lockdep_map hpte_lock_map =
STATIC_LOCKDEP_MAP_INIT("hpte_lock", &hpte_lock_map);
static void acquire_hpte_lock(void)
{
lock_map_acquire(&hpte_lock_map);
}
static void release_hpte_lock(void)
{
lock_map_release(&hpte_lock_map);
}
#else
static void acquire_hpte_lock(void)
{
}
static void release_hpte_lock(void)
{
}
#endif
static inline unsigned long ___tlbie(unsigned long vpn, int psize,
int apsize, int ssize)
{
@ -220,6 +243,7 @@ static inline void native_lock_hpte(struct hash_pte *hptep)
{
unsigned long *word = (unsigned long *)&hptep->v;
acquire_hpte_lock();
while (1) {
if (!test_and_set_bit_lock(HPTE_LOCK_BIT, word))
break;
@ -234,6 +258,7 @@ static inline void native_unlock_hpte(struct hash_pte *hptep)
{
unsigned long *word = (unsigned long *)&hptep->v;
release_hpte_lock();
clear_bit_unlock(HPTE_LOCK_BIT, word);
}
@ -243,8 +268,11 @@ static long native_hpte_insert(unsigned long hpte_group, unsigned long vpn,
{
struct hash_pte *hptep = htab_address + hpte_group;
unsigned long hpte_v, hpte_r;
unsigned long flags;
int i;
local_irq_save(flags);
if (!(vflags & HPTE_V_BOLTED)) {
DBG_LOW(" insert(group=%lx, vpn=%016lx, pa=%016lx,"
" rflags=%lx, vflags=%lx, psize=%d)\n",
@ -263,8 +291,10 @@ static long native_hpte_insert(unsigned long hpte_group, unsigned long vpn,
hptep++;
}
if (i == HPTES_PER_GROUP)
if (i == HPTES_PER_GROUP) {
local_irq_restore(flags);
return -1;
}
hpte_v = hpte_encode_v(vpn, psize, apsize, ssize) | vflags | HPTE_V_VALID;
hpte_r = hpte_encode_r(pa, psize, apsize) | rflags;
@ -286,10 +316,13 @@ static long native_hpte_insert(unsigned long hpte_group, unsigned long vpn,
* Now set the first dword including the valid bit
* NOTE: this also unlocks the hpte
*/
release_hpte_lock();
hptep->v = cpu_to_be64(hpte_v);
__asm__ __volatile__ ("ptesync" : : : "memory");
local_irq_restore(flags);
return i | (!!(vflags & HPTE_V_SECONDARY) << 3);
}
@ -327,6 +360,7 @@ static long native_hpte_remove(unsigned long hpte_group)
return -1;
/* Invalidate the hpte. NOTE: this also unlocks it */
release_hpte_lock();
hptep->v = 0;
return i;
@ -339,6 +373,9 @@ static long native_hpte_updatepp(unsigned long slot, unsigned long newpp,
struct hash_pte *hptep = htab_address + slot;
unsigned long hpte_v, want_v;
int ret = 0, local = 0;
unsigned long irqflags;
local_irq_save(irqflags);
want_v = hpte_encode_avpn(vpn, bpsize, ssize);
@ -382,6 +419,8 @@ static long native_hpte_updatepp(unsigned long slot, unsigned long newpp,
if (!(flags & HPTE_NOHPTE_UPDATE))
tlbie(vpn, bpsize, apsize, ssize, local);
local_irq_restore(irqflags);
return ret;
}
@ -445,6 +484,9 @@ static void native_hpte_updateboltedpp(unsigned long newpp, unsigned long ea,
unsigned long vsid;
long slot;
struct hash_pte *hptep;
unsigned long flags;
local_irq_save(flags);
vsid = get_kernel_vsid(ea, ssize);
vpn = hpt_vpn(ea, vsid, ssize);
@ -463,6 +505,8 @@ static void native_hpte_updateboltedpp(unsigned long newpp, unsigned long ea,
* actual page size will be same.
*/
tlbie(vpn, psize, psize, ssize, 0);
local_irq_restore(flags);
}
/*
@ -476,6 +520,9 @@ static int native_hpte_removebolted(unsigned long ea, int psize, int ssize)
unsigned long vsid;
long slot;
struct hash_pte *hptep;
unsigned long flags;
local_irq_save(flags);
vsid = get_kernel_vsid(ea, ssize);
vpn = hpt_vpn(ea, vsid, ssize);
@ -493,6 +540,9 @@ static int native_hpte_removebolted(unsigned long ea, int psize, int ssize)
/* Invalidate the TLB */
tlbie(vpn, psize, psize, ssize, 0);
local_irq_restore(flags);
return 0;
}
@ -517,10 +567,11 @@ static void native_hpte_invalidate(unsigned long slot, unsigned long vpn,
/* recheck with locks held */
hpte_v = hpte_get_old_v(hptep);
if (HPTE_V_COMPARE(hpte_v, want_v) && (hpte_v & HPTE_V_VALID))
if (HPTE_V_COMPARE(hpte_v, want_v) && (hpte_v & HPTE_V_VALID)) {
/* Invalidate the hpte. NOTE: this also unlocks it */
release_hpte_lock();
hptep->v = 0;
else
} else
native_unlock_hpte(hptep);
}
/*
@ -580,10 +631,8 @@ static void native_hugepage_invalidate(unsigned long vsid,
hpte_v = hpte_get_old_v(hptep);
if (HPTE_V_COMPARE(hpte_v, want_v) && (hpte_v & HPTE_V_VALID)) {
/*
* Invalidate the hpte. NOTE: this also unlocks it
*/
/* Invalidate the hpte. NOTE: this also unlocks it */
release_hpte_lock();
hptep->v = 0;
} else
native_unlock_hpte(hptep);
@ -765,8 +814,10 @@ static void native_flush_hash_range(unsigned long number, int local)
if (!HPTE_V_COMPARE(hpte_v, want_v) || !(hpte_v & HPTE_V_VALID))
native_unlock_hpte(hptep);
else
else {
release_hpte_lock();
hptep->v = 0;
}
} pte_iterate_hashed_end();
}

8
arch/powerpc/mm/book3s64/hash_pgtable.c
View file

@ -404,7 +404,8 @@ EXPORT_SYMBOL_GPL(hash__has_transparent_hugepage);
struct change_memory_parms {
unsigned long start, end, newpp;
unsigned int step, nr_cpus, master_cpu;
unsigned int step, nr_cpus;
atomic_t master_cpu;
atomic_t cpu_counter;
};
@ -478,7 +479,8 @@ static int change_memory_range_fn(void *data)
{
struct change_memory_parms *parms = data;
if (parms->master_cpu != smp_processor_id())
// First CPU goes through, all others wait.
if (atomic_xchg(&parms->master_cpu, 1) == 1)
return chmem_secondary_loop(parms);
// Wait for all but one CPU (this one) to call-in
@ -516,7 +518,7 @@ static bool hash__change_memory_range(unsigned long start, unsigned long end,
chmem_parms.end = end;
chmem_parms.step = step;
chmem_parms.newpp = newpp;
chmem_parms.master_cpu = smp_processor_id();
atomic_set(&chmem_parms.master_cpu, 0);
cpus_read_lock();

12
arch/powerpc/mm/book3s64/hash_utils.c
View file

@ -1981,7 +1981,7 @@ repeat:
}
#if defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KFENCE)
static DEFINE_SPINLOCK(linear_map_hash_lock);
static DEFINE_RAW_SPINLOCK(linear_map_hash_lock);
static void kernel_map_linear_page(unsigned long vaddr, unsigned long lmi)
{
@ -2005,10 +2005,10 @@ static void kernel_map_linear_page(unsigned long vaddr, unsigned long lmi)
mmu_linear_psize, mmu_kernel_ssize);
BUG_ON (ret < 0);
spin_lock(&linear_map_hash_lock);
raw_spin_lock(&linear_map_hash_lock);
BUG_ON(linear_map_hash_slots[lmi] & 0x80);
linear_map_hash_slots[lmi] = ret | 0x80;
spin_unlock(&linear_map_hash_lock);
raw_spin_unlock(&linear_map_hash_lock);
}
static void kernel_unmap_linear_page(unsigned long vaddr, unsigned long lmi)
@ -2018,14 +2018,14 @@ static void kernel_unmap_linear_page(unsigned long vaddr, unsigned long lmi)
unsigned long vpn = hpt_vpn(vaddr, vsid, mmu_kernel_ssize);
hash = hpt_hash(vpn, PAGE_SHIFT, mmu_kernel_ssize);
spin_lock(&linear_map_hash_lock);
raw_spin_lock(&linear_map_hash_lock);
if (!(linear_map_hash_slots[lmi] & 0x80)) {
spin_unlock(&linear_map_hash_lock);
raw_spin_unlock(&linear_map_hash_lock);
return;
}
hidx = linear_map_hash_slots[lmi] & 0x7f;
linear_map_hash_slots[lmi] = 0;
spin_unlock(&linear_map_hash_lock);
raw_spin_unlock(&linear_map_hash_lock);
if (hidx & _PTEIDX_SECONDARY)
hash = ~hash;
slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;

11
arch/powerpc/platforms/pseries/lparcfg.c
View file

@ -35,6 +35,7 @@
#include <asm/drmem.h>
#include "pseries.h"
#include "vas.h" /* pseries_vas_dlpar_cpu() */
/*
* This isn't a module but we expose that to userspace
@ -748,6 +749,16 @@ static ssize_t lparcfg_write(struct file *file, const char __user * buf,
return -EINVAL;
retval = update_ppp(new_entitled_ptr, NULL);
if (retval == H_SUCCESS || retval == H_CONSTRAINED) {
/*
* The hypervisor assigns VAS resources based
* on entitled capacity for shared mode.
* Reconfig VAS windows based on DLPAR CPU events.
*/
if (pseries_vas_dlpar_cpu() != 0)
retval = H_HARDWARE;
}
} else if (!strcmp(kbuf, "capacity_weight")) {
char *endp;
*new_weight_ptr = (u8) simple_strtoul(tmp, &endp, 10);

83
arch/powerpc/platforms/pseries/vas.c
View file

@ -200,16 +200,41 @@ static irqreturn_t pseries_vas_fault_thread_fn(int irq, void *data)
struct vas_user_win_ref *tsk_ref;
int rc;
rc = h_get_nx_fault(txwin->vas_win.winid, (u64)virt_to_phys(&crb));
if (!rc) {
tsk_ref = &txwin->vas_win.task_ref;
vas_dump_crb(&crb);
vas_update_csb(&crb, tsk_ref);
while (atomic_read(&txwin->pending_faults)) {
rc = h_get_nx_fault(txwin->vas_win.winid, (u64)virt_to_phys(&crb));
if (!rc) {
tsk_ref = &txwin->vas_win.task_ref;
vas_dump_crb(&crb);
vas_update_csb(&crb, tsk_ref);
}
atomic_dec(&txwin->pending_faults);
}
return IRQ_HANDLED;
}
/*
* irq_default_primary_handler() can be used only with IRQF_ONESHOT
* which disables IRQ before executing the thread handler and enables
* it after. But this disabling interrupt sets the VAS IRQ OFF
* state in the hypervisor. If the NX generates fault interrupt
* during this window, the hypervisor will not deliver this
* interrupt to the LPAR. So use VAS specific IRQ handler instead
* of calling the default primary handler.
*/
static irqreturn_t pseries_vas_irq_handler(int irq, void *data)
{
struct pseries_vas_window *txwin = data;
/*
* The thread hanlder will process this interrupt if it is
* already running.
*/
atomic_inc(&txwin->pending_faults);
return IRQ_WAKE_THREAD;
}
/*
* Allocate window and setup IRQ mapping.
*/
@ -240,8 +265,9 @@ static int allocate_setup_window(struct pseries_vas_window *txwin,
goto out_irq;
}
rc = request_threaded_irq(txwin->fault_virq, NULL,
pseries_vas_fault_thread_fn, IRQF_ONESHOT,
rc = request_threaded_irq(txwin->fault_virq,
pseries_vas_irq_handler,
pseries_vas_fault_thread_fn, 0,
txwin->name, txwin);
if (rc) {
pr_err("VAS-Window[%d]: Request IRQ(%u) failed with %d\n",
@ -826,6 +852,25 @@ int vas_reconfig_capabilties(u8 type, int new_nr_creds)
mutex_unlock(&vas_pseries_mutex);
return rc;
}
int pseries_vas_dlpar_cpu(void)
{
int new_nr_creds, rc;
rc = h_query_vas_capabilities(H_QUERY_VAS_CAPABILITIES,
vascaps[VAS_GZIP_DEF_FEAT_TYPE].feat,
(u64)virt_to_phys(&hv_cop_caps));
if (!rc) {
new_nr_creds = be16_to_cpu(hv_cop_caps.target_lpar_creds);
rc = vas_reconfig_capabilties(VAS_GZIP_DEF_FEAT_TYPE, new_nr_creds);
}
if (rc)
pr_err("Failed reconfig VAS capabilities with DLPAR\n");
return rc;
}
/*
* Total number of default credits available (target_credits)
* in LPAR depends on number of cores configured. It varies based on
@ -840,7 +885,15 @@ static int pseries_vas_notifier(struct notifier_block *nb,
struct of_reconfig_data *rd = data;
struct device_node *dn = rd->dn;
const __be32 *intserv = NULL;
int new_nr_creds, len, rc = 0;
int len;
/*
* For shared CPU partition, the hypervisor assigns total credits
* based on entitled core capacity. So updating VAS windows will
* be called from lparcfg_write().
*/
if (is_shared_processor())
return NOTIFY_OK;
if ((action == OF_RECONFIG_ATTACH_NODE) ||
(action == OF_RECONFIG_DETACH_NODE))
@ -852,19 +905,7 @@ static int pseries_vas_notifier(struct notifier_block *nb,
if (!intserv)
return NOTIFY_OK;
rc = h_query_vas_capabilities(H_QUERY_VAS_CAPABILITIES,
vascaps[VAS_GZIP_DEF_FEAT_TYPE].feat,
(u64)virt_to_phys(&hv_cop_caps));
if (!rc) {
new_nr_creds = be16_to_cpu(hv_cop_caps.target_lpar_creds);
rc = vas_reconfig_capabilties(VAS_GZIP_DEF_FEAT_TYPE,
new_nr_creds);
}
if (rc)
pr_err("Failed reconfig VAS capabilities with DLPAR\n");
return rc;
return pseries_vas_dlpar_cpu();
}
static struct notifier_block pseries_vas_nb = {

6
arch/powerpc/platforms/pseries/vas.h
View file

@ -132,6 +132,7 @@ struct pseries_vas_window {
u64 flags;
char *name;
int fault_virq;
atomic_t pending_faults; /* Number of pending faults */
};
int sysfs_add_vas_caps(struct vas_cop_feat_caps *caps);
@ -140,10 +141,15 @@ int __init sysfs_pseries_vas_init(struct vas_all_caps *vas_caps);
#ifdef CONFIG_PPC_VAS
int vas_migration_handler(int action);
int pseries_vas_dlpar_cpu(void);
#else
static inline int vas_migration_handler(int action)
{
return 0;
}
static inline int pseries_vas_dlpar_cpu(void)
{
return 0;
}
#endif
#endif /* _VAS_H */

17
arch/riscv/Kconfig
View file

@ -411,14 +411,16 @@ config RISCV_ISA_SVPBMT
If you don't know what to do here, say Y.
config CC_HAS_ZICBOM
config TOOLCHAIN_HAS_ZICBOM
bool
default y if 64BIT && $(cc-option,-mabi=lp64 -march=rv64ima_zicbom)
default y if 32BIT && $(cc-option,-mabi=ilp32 -march=rv32ima_zicbom)
default y
depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zicbom)
depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zicbom)
depends on LLD_VERSION >= 150000 || LD_VERSION >= 23800
config RISCV_ISA_ZICBOM
bool "Zicbom extension support for non-coherent DMA operation"
depends on CC_HAS_ZICBOM
depends on TOOLCHAIN_HAS_ZICBOM
depends on !XIP_KERNEL && MMU
select RISCV_DMA_NONCOHERENT
select RISCV_ALTERNATIVE
@ -433,6 +435,13 @@ config RISCV_ISA_ZICBOM
If you don't know what to do here, say Y.
config TOOLCHAIN_HAS_ZIHINTPAUSE
bool
default y
depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zihintpause)
depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zihintpause)
depends on LLD_VERSION >= 150000 || LD_VERSION >= 23600
config FPU
bool "FPU support"
default y

6
arch/riscv/Makefile
View file

@ -59,12 +59,10 @@ toolchain-need-zicsr-zifencei := $(call cc-option-yn, -march=$(riscv-march-y)_zi
riscv-march-$(toolchain-need-zicsr-zifencei) := $(riscv-march-y)_zicsr_zifencei
# Check if the toolchain supports Zicbom extension
toolchain-supports-zicbom := $(call cc-option-yn, -march=$(riscv-march-y)_zicbom)
riscv-march-$(toolchain-supports-zicbom) := $(riscv-march-y)_zicbom
riscv-march-$(CONFIG_TOOLCHAIN_HAS_ZICBOM) := $(riscv-march-y)_zicbom
# Check if the toolchain supports Zihintpause extension
toolchain-supports-zihintpause := $(call cc-option-yn, -march=$(riscv-march-y)_zihintpause)
riscv-march-$(toolchain-supports-zihintpause) := $(riscv-march-y)_zihintpause
riscv-march-$(CONFIG_TOOLCHAIN_HAS_ZIHINTPAUSE) := $(riscv-march-y)_zihintpause
KBUILD_CFLAGS += -march=$(subst fd,,$(riscv-march-y))
KBUILD_AFLAGS += -march=$(riscv-march-y)

8
arch/riscv/include/asm/jump_label.h
View file

@ -14,8 +14,8 @@
#define JUMP_LABEL_NOP_SIZE 4
static __always_inline bool arch_static_branch(struct static_key *key,
bool branch)
static __always_inline bool arch_static_branch(struct static_key * const key,
const bool branch)
{
asm_volatile_goto(
" .option push \n\t"
@ -35,8 +35,8 @@ label:
return true;
}
static __always_inline bool arch_static_branch_jump(struct static_key *key,
bool branch)
static __always_inline bool arch_static_branch_jump(struct static_key * const key,
const bool branch)
{
asm_volatile_goto(
" .option push \n\t"

2
arch/riscv/include/asm/vdso/processor.h
View file

@ -21,7 +21,7 @@ static inline void cpu_relax(void)
* Reduce instruction retirement.
* This assumes the PC changes.
*/
#ifdef __riscv_zihintpause
#ifdef CONFIG_TOOLCHAIN_HAS_ZIHINTPAUSE
__asm__ __volatile__ ("pause");
#else
/* Encoding of the pause instruction */

3
arch/riscv/kernel/cpu.c
View file

@ -213,6 +213,9 @@ static void print_mmu(struct seq_file *f)
static void *c_start(struct seq_file *m, loff_t *pos)
{
if (*pos == nr_cpu_ids)
return NULL;
*pos = cpumask_next(*pos - 1, cpu_online_mask);
if ((*pos) < nr_cpu_ids)
return (void *)(uintptr_t)(1 + *pos);

7
arch/riscv/mm/kasan_init.c
View file

@ -113,6 +113,8 @@ static void __init kasan_populate_pud(pgd_t *pgd,
base_pud = pt_ops.get_pud_virt(pfn_to_phys(_pgd_pfn(*pgd)));
} else if (pgd_none(*pgd)) {
base_pud = memblock_alloc(PTRS_PER_PUD * sizeof(pud_t), PAGE_SIZE);
memcpy(base_pud, (void *)kasan_early_shadow_pud,
sizeof(pud_t) * PTRS_PER_PUD);
} else {
base_pud = (pud_t *)pgd_page_vaddr(*pgd);
if (base_pud == lm_alias(kasan_early_shadow_pud)) {
@ -173,8 +175,11 @@ static void __init kasan_populate_p4d(pgd_t *pgd,
base_p4d = pt_ops.get_p4d_virt(pfn_to_phys(_pgd_pfn(*pgd)));
} else {
base_p4d = (p4d_t *)pgd_page_vaddr(*pgd);
if (base_p4d == lm_alias(kasan_early_shadow_p4d))
if (base_p4d == lm_alias(kasan_early_shadow_p4d)) {
base_p4d = memblock_alloc(PTRS_PER_PUD * sizeof(p4d_t), PAGE_SIZE);
memcpy(base_p4d, (void *)kasan_early_shadow_p4d,
sizeof(p4d_t) * PTRS_PER_P4D);
}
}
p4dp = base_p4d + p4d_index(vaddr);

13
arch/s390/boot/vmlinux.lds.S
View file

@ -102,8 +102,17 @@ SECTIONS
_compressed_start = .;
*(.vmlinux.bin.compressed)
_compressed_end = .;
FILL(0xff);
. = ALIGN(4096);
}
#define SB_TRAILER_SIZE 32
/* Trailer needed for Secure Boot */
. += SB_TRAILER_SIZE; /* make sure .sb.trailer does not overwrite the previous section */
. = ALIGN(4096) - SB_TRAILER_SIZE;
.sb.trailer : {
QUAD(0)
QUAD(0)
QUAD(0)
QUAD(0x000000207a49504c)
}
_end = .;

3
arch/s390/include/asm/futex.h
View file

@ -17,7 +17,8 @@
"3: jl 1b\n" \
" lhi %0,0\n" \
"4: sacf 768\n" \
EX_TABLE(0b,4b) EX_TABLE(2b,4b) EX_TABLE(3b,4b) \
EX_TABLE(0b,4b) EX_TABLE(1b,4b) \
EX_TABLE(2b,4b) EX_TABLE(3b,4b) \
: "=d" (ret), "=&d" (oldval), "=&d" (newval), \
"=m" (*uaddr) \
: "0" (-EFAULT), "d" (oparg), "a" (uaddr), \

1
arch/s390/kernel/perf_pai_ext.c
View file

@ -459,6 +459,7 @@ static int paiext_push_sample(void)
raw.frag.data = cpump->save;
raw.size = raw.frag.size;
data.raw = &raw;
data.sample_flags |= PERF_SAMPLE_RAW;
}
overflow = perf_event_overflow(event, &data, &regs);

6
arch/s390/lib/uaccess.c
View file

@ -157,7 +157,7 @@ unsigned long __clear_user(void __user *to, unsigned long size)
asm volatile(
" lr 0,%[spec]\n"
"0: mvcos 0(%1),0(%4),%0\n"
" jz 4f\n"
"6: jz 4f\n"
"1: algr %0,%2\n"
" slgr %1,%2\n"
" j 0b\n"
@ -167,11 +167,11 @@ unsigned long __clear_user(void __user *to, unsigned long size)
" clgr %0,%3\n" /* copy crosses next page boundary? */
" jnh 5f\n"
"3: mvcos 0(%1),0(%4),%3\n"
" slgr %0,%3\n"
"7: slgr %0,%3\n"
" j 5f\n"
"4: slgr %0,%0\n"
"5:\n"
EX_TABLE(0b,2b) EX_TABLE(3b,5b)
EX_TABLE(0b,2b) EX_TABLE(6b,2b) EX_TABLE(3b,5b) EX_TABLE(7b,5b)
: "+a" (size), "+a" (to), "+a" (tmp1), "=a" (tmp2)
: "a" (empty_zero_page), [spec] "d" (spec.val)
: "cc", "memory", "0");

8
arch/s390/pci/pci_mmio.c
View file

@ -64,7 +64,7 @@ static inline int __pcistg_mio_inuser(
asm volatile (
" sacf 256\n"
"0: llgc %[tmp],0(%[src])\n"
" sllg %[val],%[val],8\n"
"4: sllg %[val],%[val],8\n"
" aghi %[src],1\n"
" ogr %[val],%[tmp]\n"
" brctg %[cnt],0b\n"
@ -72,7 +72,7 @@ static inline int __pcistg_mio_inuser(
"2: ipm %[cc]\n"
" srl %[cc],28\n"
"3: sacf 768\n"
EX_TABLE(0b, 3b) EX_TABLE(1b, 3b) EX_TABLE(2b, 3b)
EX_TABLE(0b, 3b) EX_TABLE(4b, 3b) EX_TABLE(1b, 3b) EX_TABLE(2b, 3b)
:
[src] "+a" (src), [cnt] "+d" (cnt),
[val] "+d" (val), [tmp] "=d" (tmp),
@ -215,10 +215,10 @@ static inline int __pcilg_mio_inuser(
"2: ahi %[shift],-8\n"
" srlg %[tmp],%[val],0(%[shift])\n"
"3: stc %[tmp],0(%[dst])\n"
" aghi %[dst],1\n"
"5: aghi %[dst],1\n"
" brctg %[cnt],2b\n"
"4: sacf 768\n"
EX_TABLE(0b, 4b) EX_TABLE(1b, 4b) EX_TABLE(3b, 4b)
EX_TABLE(0b, 4b) EX_TABLE(1b, 4b) EX_TABLE(3b, 4b) EX_TABLE(5b, 4b)
:
[ioaddr_len] "+&d" (ioaddr_len.pair),
[cc] "+d" (cc), [val] "=d" (val),

19
arch/x86/crypto/polyval-clmulni_glue.c
View file

@ -27,13 +27,17 @@
#include <asm/cpu_device_id.h>
#include <asm/simd.h>
#define POLYVAL_ALIGN 16
#define POLYVAL_ALIGN_ATTR __aligned(POLYVAL_ALIGN)
#define POLYVAL_ALIGN_EXTRA ((POLYVAL_ALIGN - 1) & ~(CRYPTO_MINALIGN - 1))
#define POLYVAL_CTX_SIZE (sizeof(struct polyval_tfm_ctx) + POLYVAL_ALIGN_EXTRA)
#define NUM_KEY_POWERS 8
struct polyval_tfm_ctx {
/*
* These powers must be in the order h^8, ..., h^1.
*/
u8 key_powers[NUM_KEY_POWERS][POLYVAL_BLOCK_SIZE];
u8 key_powers[NUM_KEY_POWERS][POLYVAL_BLOCK_SIZE] POLYVAL_ALIGN_ATTR;
};
struct polyval_desc_ctx {
@ -45,6 +49,11 @@ asmlinkage void clmul_polyval_update(const struct polyval_tfm_ctx *keys,
const u8 *in, size_t nblocks, u8 *accumulator);
asmlinkage void clmul_polyval_mul(u8 *op1, const u8 *op2);
static inline struct polyval_tfm_ctx *polyval_tfm_ctx(struct crypto_shash *tfm)
{
return PTR_ALIGN(crypto_shash_ctx(tfm), POLYVAL_ALIGN);
}
static void internal_polyval_update(const struct polyval_tfm_ctx *keys,
const u8 *in, size_t nblocks, u8 *accumulator)
{
@ -72,7 +81,7 @@ static void internal_polyval_mul(u8 *op1, const u8 *op2)
static int polyval_x86_setkey(struct crypto_shash *tfm,
const u8 *key, unsigned int keylen)
{
struct polyval_tfm_ctx *tctx = crypto_shash_ctx(tfm);
struct polyval_tfm_ctx *tctx = polyval_tfm_ctx(tfm);
int i;
if (keylen != POLYVAL_BLOCK_SIZE)
@ -102,7 +111,7 @@ static int polyval_x86_update(struct shash_desc *desc,
const u8 *src, unsigned int srclen)
{
struct polyval_desc_ctx *dctx = shash_desc_ctx(desc);
const struct polyval_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
const struct polyval_tfm_ctx *tctx = polyval_tfm_ctx(desc->tfm);
u8 *pos;
unsigned int nblocks;
unsigned int n;
@ -143,7 +152,7 @@ static int polyval_x86_update(struct shash_desc *desc,
static int polyval_x86_final(struct shash_desc *desc, u8 *dst)
{
struct polyval_desc_ctx *dctx = shash_desc_ctx(desc);
const struct polyval_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
const struct polyval_tfm_ctx *tctx = polyval_tfm_ctx(desc->tfm);
if (dctx->bytes) {
internal_polyval_mul(dctx->buffer,
@ -167,7 +176,7 @@ static struct shash_alg polyval_alg = {
.cra_driver_name = "polyval-clmulni",
.cra_priority = 200,
.cra_blocksize = POLYVAL_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct polyval_tfm_ctx),
.cra_ctxsize = POLYVAL_CTX_SIZE,
.cra_module = THIS_MODULE,
},
};

2
arch/x86/events/amd/ibs.c
View file

@ -801,7 +801,7 @@ static void perf_ibs_get_mem_lvl(union ibs_op_data2 *op_data2,
/* Extension Memory */
if (ibs_caps & IBS_CAPS_ZEN4 &&
ibs_data_src == IBS_DATA_SRC_EXT_EXT_MEM) {
data_src->mem_lvl_num = PERF_MEM_LVLNUM_EXTN_MEM;
data_src->mem_lvl_num = PERF_MEM_LVLNUM_CXL;
if (op_data2->rmt_node) {
data_src->mem_remote = PERF_MEM_REMOTE_REMOTE;
/* IBS doesn't provide Remote socket detail */

4
arch/x86/events/rapl.c
View file

@ -806,7 +806,11 @@ static const struct x86_cpu_id rapl_model_match[] __initconst = {
X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE, &model_skl),
X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, &model_skl),
X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, &model_skl),
X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_N, &model_skl),
X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &model_spr),
X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE, &model_skl),
X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_P, &model_skl),
X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_S, &model_skl),
{},
};
MODULE_DEVICE_TABLE(x86cpu, rapl_model_match);

11
arch/x86/include/asm/string_64.h
View file

@ -10,10 +10,13 @@
/* Even with __builtin_ the compiler may decide to use the out of line
function. */
#if defined(__SANITIZE_MEMORY__) && defined(__NO_FORTIFY)
#include <linux/kmsan_string.h>
#endif
#define __HAVE_ARCH_MEMCPY 1
#if defined(__SANITIZE_MEMORY__)
#if defined(__SANITIZE_MEMORY__) && defined(__NO_FORTIFY)
#undef memcpy
void *__msan_memcpy(void *dst, const void *src, size_t size);
#define memcpy __msan_memcpy
#else
extern void *memcpy(void *to, const void *from, size_t len);
@ -21,7 +24,7 @@ extern void *memcpy(void *to, const void *from, size_t len);
extern void *__memcpy(void *to, const void *from, size_t len);
#define __HAVE_ARCH_MEMSET
#if defined(__SANITIZE_MEMORY__)
#if defined(__SANITIZE_MEMORY__) && defined(__NO_FORTIFY)
extern void *__msan_memset(void *s, int c, size_t n);
#undef memset
#define memset __msan_memset
@ -67,7 +70,7 @@ static inline void *memset64(uint64_t *s, uint64_t v, size_t n)
}
#define __HAVE_ARCH_MEMMOVE
#if defined(__SANITIZE_MEMORY__)
#if defined(__SANITIZE_MEMORY__) && defined(__NO_FORTIFY)
#undef memmove
void *__msan_memmove(void *dest, const void *src, size_t len);
#define memmove __msan_memmove

13
arch/x86/include/asm/uaccess.h
View file

@ -254,24 +254,25 @@ extern void __put_user_nocheck_8(void);
#define __put_user_size(x, ptr, size, label) \
do { \
__typeof__(*(ptr)) __x = (x); /* eval x once */ \
__chk_user_ptr(ptr); \
__typeof__(ptr) __ptr = (ptr); /* eval ptr once */ \
__chk_user_ptr(__ptr); \
switch (size) { \
case 1: \
__put_user_goto(__x, ptr, "b", "iq", label); \
__put_user_goto(__x, __ptr, "b", "iq", label); \
break; \
case 2: \
__put_user_goto(__x, ptr, "w", "ir", label); \
__put_user_goto(__x, __ptr, "w", "ir", label); \
break; \
case 4: \
__put_user_goto(__x, ptr, "l", "ir", label); \
__put_user_goto(__x, __ptr, "l", "ir", label); \
break; \
case 8: \
__put_user_goto_u64(__x, ptr, label); \
__put_user_goto_u64(__x, __ptr, label); \
break; \
default: \
__put_user_bad(); \
} \
instrument_put_user(__x, ptr, size); \
instrument_put_user(__x, __ptr, size); \
} while (0)
#ifdef CONFIG_CC_HAS_ASM_GOTO_OUTPUT

11
arch/x86/kvm/cpuid.c
View file

@ -1133,11 +1133,13 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
entry->eax = max(entry->eax, 0x80000021);
break;
case 0x80000001:
entry->ebx &= ~GENMASK(27, 16);
cpuid_entry_override(entry, CPUID_8000_0001_EDX);
cpuid_entry_override(entry, CPUID_8000_0001_ECX);
break;
case 0x80000006:
/* L2 cache and TLB: pass through host info. */
/* Drop reserved bits, pass host L2 cache and TLB info. */
entry->edx &= ~GENMASK(17, 16);
break;
case 0x80000007: /* Advanced power management */
/* invariant TSC is CPUID.80000007H:EDX[8] */
@ -1167,6 +1169,7 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
g_phys_as = phys_as;
entry->eax = g_phys_as | (virt_as << 8);
entry->ecx &= ~(GENMASK(31, 16) | GENMASK(11, 8));
entry->edx = 0;
cpuid_entry_override(entry, CPUID_8000_0008_EBX);
break;
@ -1186,6 +1189,9 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
entry->ecx = entry->edx = 0;
break;
case 0x8000001a:
entry->eax &= GENMASK(2, 0);
entry->ebx = entry->ecx = entry->edx = 0;
break;
case 0x8000001e:
break;
case 0x8000001F:
@ -1193,7 +1199,8 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
entry->eax = entry->ebx = entry->ecx = entry->edx = 0;
} else {
cpuid_entry_override(entry, CPUID_8000_001F_EAX);
/* Clear NumVMPL since KVM does not support VMPL. */
entry->ebx &= ~GENMASK(31, 12);
/*
* Enumerate '0' for "PA bits reduction", the adjusted
* MAXPHYADDR is enumerated directly (see 0x80000008).

7
arch/x86/kvm/debugfs.c
View file

@ -158,11 +158,16 @@ out:
static int kvm_mmu_rmaps_stat_open(struct inode *inode, struct file *file)
{
struct kvm *kvm = inode->i_private;
int r;
if (!kvm_get_kvm_safe(kvm))
return -ENOENT;
return single_open(file, kvm_mmu_rmaps_stat_show, kvm);
r = single_open(file, kvm_mmu_rmaps_stat_show, kvm);
if (r < 0)
kvm_put_kvm(kvm);
return r;
}
static int kvm_mmu_rmaps_stat_release(struct inode *inode, struct file *file)

110
arch/x86/kvm/emulate.c
View file

@ -791,8 +791,7 @@ static int linearize(struct x86_emulate_ctxt *ctxt,
ctxt->mode, linear);
}
static inline int assign_eip(struct x86_emulate_ctxt *ctxt, ulong dst,
enum x86emul_mode mode)
static inline int assign_eip(struct x86_emulate_ctxt *ctxt, ulong dst)
{
ulong linear;
int rc;
@ -802,41 +801,71 @@ static inline int assign_eip(struct x86_emulate_ctxt *ctxt, ulong dst,
if (ctxt->op_bytes != sizeof(unsigned long))
addr.ea = dst & ((1UL << (ctxt->op_bytes << 3)) - 1);
rc = __linearize(ctxt, addr, &max_size, 1, false, true, mode, &linear);
rc = __linearize(ctxt, addr, &max_size, 1, false, true, ctxt->mode, &linear);
if (rc == X86EMUL_CONTINUE)
ctxt->_eip = addr.ea;
return rc;
}
static inline int assign_eip_near(struct x86_emulate_ctxt *ctxt, ulong dst)
static inline int emulator_recalc_and_set_mode(struct x86_emulate_ctxt *ctxt)
{
return assign_eip(ctxt, dst, ctxt->mode);
u64 efer;
struct desc_struct cs;
u16 selector;
u32 base3;
ctxt->ops->get_msr(ctxt, MSR_EFER, &efer);
if (!(ctxt->ops->get_cr(ctxt, 0) & X86_CR0_PE)) {
/* Real mode. cpu must not have long mode active */
if (efer & EFER_LMA)
return X86EMUL_UNHANDLEABLE;
ctxt->mode = X86EMUL_MODE_REAL;
return X86EMUL_CONTINUE;
}
if (ctxt->eflags & X86_EFLAGS_VM) {
/* Protected/VM86 mode. cpu must not have long mode active */
if (efer & EFER_LMA)
return X86EMUL_UNHANDLEABLE;
ctxt->mode = X86EMUL_MODE_VM86;
return X86EMUL_CONTINUE;
}
if (!ctxt->ops->get_segment(ctxt, &selector, &cs, &base3, VCPU_SREG_CS))
return X86EMUL_UNHANDLEABLE;
if (efer & EFER_LMA) {
if (cs.l) {
/* Proper long mode */
ctxt->mode = X86EMUL_MODE_PROT64;
} else if (cs.d) {
/* 32 bit compatibility mode*/
ctxt->mode = X86EMUL_MODE_PROT32;
} else {
ctxt->mode = X86EMUL_MODE_PROT16;
}
} else {
/* Legacy 32 bit / 16 bit mode */
ctxt->mode = cs.d ? X86EMUL_MODE_PROT32 : X86EMUL_MODE_PROT16;
}
return X86EMUL_CONTINUE;
}
static int assign_eip_far(struct x86_emulate_ctxt *ctxt, ulong dst,
const struct desc_struct *cs_desc)
static inline int assign_eip_near(struct x86_emulate_ctxt *ctxt, ulong dst)
{
enum x86emul_mode mode = ctxt->mode;
int rc;
return assign_eip(ctxt, dst);
}
#ifdef CONFIG_X86_64
if (ctxt->mode >= X86EMUL_MODE_PROT16) {
if (cs_desc->l) {
u64 efer = 0;
static int assign_eip_far(struct x86_emulate_ctxt *ctxt, ulong dst)
{
int rc = emulator_recalc_and_set_mode(ctxt);
ctxt->ops->get_msr(ctxt, MSR_EFER, &efer);
if (efer & EFER_LMA)
mode = X86EMUL_MODE_PROT64;
} else
mode = X86EMUL_MODE_PROT32; /* temporary value */
}
#endif
if (mode == X86EMUL_MODE_PROT16 || mode == X86EMUL_MODE_PROT32)
mode = cs_desc->d ? X86EMUL_MODE_PROT32 : X86EMUL_MODE_PROT16;
rc = assign_eip(ctxt, dst, mode);
if (rc == X86EMUL_CONTINUE)
ctxt->mode = mode;
return rc;
if (rc != X86EMUL_CONTINUE)
return rc;
return assign_eip(ctxt, dst);
}
static inline int jmp_rel(struct x86_emulate_ctxt *ctxt, int rel)
@ -2172,7 +2201,7 @@ static int em_jmp_far(struct x86_emulate_ctxt *ctxt)
if (rc != X86EMUL_CONTINUE)
return rc;
rc = assign_eip_far(ctxt, ctxt->src.val, &new_desc);
rc = assign_eip_far(ctxt, ctxt->src.val);
/* Error handling is not implemented. */
if (rc != X86EMUL_CONTINUE)
return X86EMUL_UNHANDLEABLE;
@ -2250,7 +2279,7 @@ static int em_ret_far(struct x86_emulate_ctxt *ctxt)
&new_desc);
if (rc != X86EMUL_CONTINUE)
return rc;
rc = assign_eip_far(ctxt, eip, &new_desc);
rc = assign_eip_far(ctxt, eip);
/* Error handling is not implemented. */
if (rc != X86EMUL_CONTINUE)
return X86EMUL_UNHANDLEABLE;
@ -2432,7 +2461,7 @@ static int rsm_load_state_32(struct x86_emulate_ctxt *ctxt,
ctxt->eflags = GET_SMSTATE(u32, smstate, 0x7ff4) | X86_EFLAGS_FIXED;
ctxt->_eip = GET_SMSTATE(u32, smstate, 0x7ff0);
for (i = 0; i < NR_EMULATOR_GPRS; i++)
for (i = 0; i < 8; i++)
*reg_write(ctxt, i) = GET_SMSTATE(u32, smstate, 0x7fd0 + i * 4);
val = GET_SMSTATE(u32, smstate, 0x7fcc);
@ -2489,7 +2518,7 @@ static int rsm_load_state_64(struct x86_emulate_ctxt *ctxt,
u16 selector;
int i, r;
for (i = 0; i < NR_EMULATOR_GPRS; i++)
for (i = 0; i < 16; i++)
*reg_write(ctxt, i) = GET_SMSTATE(u64, smstate, 0x7ff8 - i * 8);
ctxt->_eip = GET_SMSTATE(u64, smstate, 0x7f78);
@ -2633,7 +2662,7 @@ static int em_rsm(struct x86_emulate_ctxt *ctxt)
* those side effects need to be explicitly handled for both success
* and shutdown.
*/
return X86EMUL_CONTINUE;
return emulator_recalc_and_set_mode(ctxt);
emulate_shutdown:
ctxt->ops->triple_fault(ctxt);
@ -2876,6 +2905,7 @@ static int em_sysexit(struct x86_emulate_ctxt *ctxt)
ops->set_segment(ctxt, ss_sel, &ss, 0, VCPU_SREG_SS);
ctxt->_eip = rdx;
ctxt->mode = usermode;
*reg_write(ctxt, VCPU_REGS_RSP) = rcx;
return X86EMUL_CONTINUE;
@ -3469,7 +3499,7 @@ static int em_call_far(struct x86_emulate_ctxt *ctxt)
if (rc != X86EMUL_CONTINUE)
return rc;
rc = assign_eip_far(ctxt, ctxt->src.val, &new_desc);
rc = assign_eip_far(ctxt, ctxt->src.val);
if (rc != X86EMUL_CONTINUE)
goto fail;
@ -3611,11 +3641,25 @@ static int em_movbe(struct x86_emulate_ctxt *ctxt)
static int em_cr_write(struct x86_emulate_ctxt *ctxt)
{
if (ctxt->ops->set_cr(ctxt, ctxt->modrm_reg, ctxt->src.val))
int cr_num = ctxt->modrm_reg;
int r;
if (ctxt->ops->set_cr(ctxt, cr_num, ctxt->src.val))
return emulate_gp(ctxt, 0);
/* Disable writeback. */
ctxt->dst.type = OP_NONE;
if (cr_num == 0) {
/*
* CR0 write might have updated CR0.PE and/or CR0.PG
* which can affect the cpu's execution mode.
*/
r = emulator_recalc_and_set_mode(ctxt);
if (r != X86EMUL_CONTINUE)
return r;
}
return X86EMUL_CONTINUE;
}

5
arch/x86/kvm/vmx/vmx.c
View file

@ -8263,6 +8263,11 @@ static __init int hardware_setup(void)
if (!cpu_has_virtual_nmis())
enable_vnmi = 0;
#ifdef CONFIG_X86_SGX_KVM
if (!cpu_has_vmx_encls_vmexit())
enable_sgx = false;
#endif
/*
* set_apic_access_page_addr() is used to reload apic access
* page upon invalidation. No need to do anything if not

27
arch/x86/kvm/x86.c
View file

@ -2315,11 +2315,11 @@ static void kvm_write_system_time(struct kvm_vcpu *vcpu, gpa_t system_time,
/* we verify if the enable bit is set... */
if (system_time & 1) {
kvm_gfn_to_pfn_cache_init(vcpu->kvm, &vcpu->arch.pv_time, vcpu,
KVM_HOST_USES_PFN, system_time & ~1ULL,
sizeof(struct pvclock_vcpu_time_info));
kvm_gpc_activate(vcpu->kvm, &vcpu->arch.pv_time, vcpu,
KVM_HOST_USES_PFN, system_time & ~1ULL,
sizeof(struct pvclock_vcpu_time_info));
} else {
kvm_gfn_to_pfn_cache_destroy(vcpu->kvm, &vcpu->arch.pv_time);
kvm_gpc_deactivate(vcpu->kvm, &vcpu->arch.pv_time);
}
return;
@ -3388,7 +3388,7 @@ static int kvm_pv_enable_async_pf_int(struct kvm_vcpu *vcpu, u64 data)
static void kvmclock_reset(struct kvm_vcpu *vcpu)
{
kvm_gfn_to_pfn_cache_destroy(vcpu->kvm, &vcpu->arch.pv_time);
kvm_gpc_deactivate(vcpu->kvm, &vcpu->arch.pv_time);
vcpu->arch.time = 0;
}
@ -10044,7 +10044,20 @@ static int kvm_check_and_inject_events(struct kvm_vcpu *vcpu,
kvm_x86_ops.nested_ops->has_events(vcpu))
*req_immediate_exit = true;
WARN_ON(kvm_is_exception_pending(vcpu));
/*
* KVM must never queue a new exception while injecting an event; KVM
* is done emulating and should only propagate the to-be-injected event
* to the VMCS/VMCB. Queueing a new exception can put the vCPU into an
* infinite loop as KVM will bail from VM-Enter to inject the pending
* exception and start the cycle all over.
*
* Exempt triple faults as they have special handling and won't put the
* vCPU into an infinite loop. Triple fault can be queued when running
* VMX without unrestricted guest, as that requires KVM to emulate Real
* Mode events (see kvm_inject_realmode_interrupt()).
*/
WARN_ON_ONCE(vcpu->arch.exception.pending ||
vcpu->arch.exception_vmexit.pending);
return 0;
out:
@ -11816,6 +11829,8 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
vcpu->arch.regs_avail = ~0;
vcpu->arch.regs_dirty = ~0;
kvm_gpc_init(&vcpu->arch.pv_time);
if (!irqchip_in_kernel(vcpu->kvm) || kvm_vcpu_is_reset_bsp(vcpu))
vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE;
else

64
arch/x86/kvm/xen.c
View file

@ -42,13 +42,13 @@ static int kvm_xen_shared_info_init(struct kvm *kvm, gfn_t gfn)
int idx = srcu_read_lock(&kvm->srcu);
if (gfn == GPA_INVALID) {
kvm_gfn_to_pfn_cache_destroy(kvm, gpc);
kvm_gpc_deactivate(kvm, gpc);
goto out;
}
do {
ret = kvm_gfn_to_pfn_cache_init(kvm, gpc, NULL, KVM_HOST_USES_PFN,
gpa, PAGE_SIZE);
ret = kvm_gpc_activate(kvm, gpc, NULL, KVM_HOST_USES_PFN, gpa,
PAGE_SIZE);
if (ret)
goto out;
@ -554,15 +554,15 @@ int kvm_xen_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data)
offsetof(struct compat_vcpu_info, time));
if (data->u.gpa == GPA_INVALID) {
kvm_gfn_to_pfn_cache_destroy(vcpu->kvm, &vcpu->arch.xen.vcpu_info_cache);
kvm_gpc_deactivate(vcpu->kvm, &vcpu->arch.xen.vcpu_info_cache);
r = 0;
break;
}
r = kvm_gfn_to_pfn_cache_init(vcpu->kvm,
&vcpu->arch.xen.vcpu_info_cache,
NULL, KVM_HOST_USES_PFN, data->u.gpa,
sizeof(struct vcpu_info));
r = kvm_gpc_activate(vcpu->kvm,
&vcpu->arch.xen.vcpu_info_cache, NULL,
KVM_HOST_USES_PFN, data->u.gpa,
sizeof(struct vcpu_info));
if (!r)
kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu);
@ -570,16 +570,16 @@ int kvm_xen_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data)
case KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO:
if (data->u.gpa == GPA_INVALID) {
kvm_gfn_to_pfn_cache_destroy(vcpu->kvm,
&vcpu->arch.xen.vcpu_time_info_cache);
kvm_gpc_deactivate(vcpu->kvm,
&vcpu->arch.xen.vcpu_time_info_cache);
r = 0;
break;
}
r = kvm_gfn_to_pfn_cache_init(vcpu->kvm,
&vcpu->arch.xen.vcpu_time_info_cache,
NULL, KVM_HOST_USES_PFN, data->u.gpa,
sizeof(struct pvclock_vcpu_time_info));
r = kvm_gpc_activate(vcpu->kvm,
&vcpu->arch.xen.vcpu_time_info_cache,
NULL, KVM_HOST_USES_PFN, data->u.gpa,
sizeof(struct pvclock_vcpu_time_info));
if (!r)
kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu);
break;
@ -590,16 +590,15 @@ int kvm_xen_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data)
break;
}
if (data->u.gpa == GPA_INVALID) {
kvm_gfn_to_pfn_cache_destroy(vcpu->kvm,
&vcpu->arch.xen.runstate_cache);
kvm_gpc_deactivate(vcpu->kvm,
&vcpu->arch.xen.runstate_cache);
r = 0;
break;
}
r = kvm_gfn_to_pfn_cache_init(vcpu->kvm,
&vcpu->arch.xen.runstate_cache,
NULL, KVM_HOST_USES_PFN, data->u.gpa,
sizeof(struct vcpu_runstate_info));
r = kvm_gpc_activate(vcpu->kvm, &vcpu->arch.xen.runstate_cache,
NULL, KVM_HOST_USES_PFN, data->u.gpa,
sizeof(struct vcpu_runstate_info));
break;
case KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT:
@ -1667,18 +1666,18 @@ static int kvm_xen_eventfd_assign(struct kvm *kvm,
case EVTCHNSTAT_ipi:
/* IPI must map back to the same port# */
if (data->u.evtchn.deliver.port.port != data->u.evtchn.send_port)
goto out; /* -EINVAL */
goto out_noeventfd; /* -EINVAL */
break;
case EVTCHNSTAT_interdomain:
if (data->u.evtchn.deliver.port.port) {
if (data->u.evtchn.deliver.port.port >= max_evtchn_port(kvm))
goto out; /* -EINVAL */
goto out_noeventfd; /* -EINVAL */
} else {
eventfd = eventfd_ctx_fdget(data->u.evtchn.deliver.eventfd.fd);
if (IS_ERR(eventfd)) {
ret = PTR_ERR(eventfd);
goto out;
goto out_noeventfd;
}
}
break;
@ -1718,6 +1717,7 @@ static int kvm_xen_eventfd_assign(struct kvm *kvm,
out:
if (eventfd)
eventfd_ctx_put(eventfd);
out_noeventfd:
kfree(evtchnfd);
return ret;
}
@ -1816,7 +1816,12 @@ void kvm_xen_init_vcpu(struct kvm_vcpu *vcpu)
{
vcpu->arch.xen.vcpu_id = vcpu->vcpu_idx;
vcpu->arch.xen.poll_evtchn = 0;
timer_setup(&vcpu->arch.xen.poll_timer, cancel_evtchn_poll, 0);
kvm_gpc_init(&vcpu->arch.xen.runstate_cache);
kvm_gpc_init(&vcpu->arch.xen.vcpu_info_cache);
kvm_gpc_init(&vcpu->arch.xen.vcpu_time_info_cache);
}
void kvm_xen_destroy_vcpu(struct kvm_vcpu *vcpu)
@ -1824,18 +1829,17 @@ void kvm_xen_destroy_vcpu(struct kvm_vcpu *vcpu)
if (kvm_xen_timer_enabled(vcpu))
kvm_xen_stop_timer(vcpu);
kvm_gfn_to_pfn_cache_destroy(vcpu->kvm,
&vcpu->arch.xen.runstate_cache);
kvm_gfn_to_pfn_cache_destroy(vcpu->kvm,
&vcpu->arch.xen.vcpu_info_cache);
kvm_gfn_to_pfn_cache_destroy(vcpu->kvm,
&vcpu->arch.xen.vcpu_time_info_cache);
kvm_gpc_deactivate(vcpu->kvm, &vcpu->arch.xen.runstate_cache);
kvm_gpc_deactivate(vcpu->kvm, &vcpu->arch.xen.vcpu_info_cache);
kvm_gpc_deactivate(vcpu->kvm, &vcpu->arch.xen.vcpu_time_info_cache);
del_timer_sync(&vcpu->arch.xen.poll_timer);
}
void kvm_xen_init_vm(struct kvm *kvm)
{
idr_init(&kvm->arch.xen.evtchn_ports);
kvm_gpc_init(&kvm->arch.xen.shinfo_cache);
}
void kvm_xen_destroy_vm(struct kvm *kvm)
@ -1843,7 +1847,7 @@ void kvm_xen_destroy_vm(struct kvm *kvm)
struct evtchnfd *evtchnfd;
int i;
kvm_gfn_to_pfn_cache_destroy(kvm, &kvm->arch.xen.shinfo_cache);
kvm_gpc_deactivate(kvm, &kvm->arch.xen.shinfo_cache);
idr_for_each_entry(&kvm->arch.xen.evtchn_ports, evtchnfd, i) {
if (!evtchnfd->deliver.port.port)

1
arch/x86/purgatory/Makefile
View file

@ -26,6 +26,7 @@ GCOV_PROFILE := n
KASAN_SANITIZE := n
UBSAN_SANITIZE := n
KCSAN_SANITIZE := n
KMSAN_SANITIZE := n
KCOV_INSTRUMENT := n
# These are adjustments to the compiler flags used for objects that

7
block/blk-mq.c
View file

@ -611,6 +611,7 @@ struct request *blk_mq_alloc_request_hctx(struct request_queue *q,
.nr_tags = 1,
};
u64 alloc_time_ns = 0;
struct request *rq;
unsigned int cpu;
unsigned int tag;
int ret;
@ -660,8 +661,12 @@ struct request *blk_mq_alloc_request_hctx(struct request_queue *q,
tag = blk_mq_get_tag(&data);
if (tag == BLK_MQ_NO_TAG)
goto out_queue_exit;
return blk_mq_rq_ctx_init(&data, blk_mq_tags_from_data(&data), tag,
rq = blk_mq_rq_ctx_init(&data, blk_mq_tags_from_data(&data), tag,
alloc_time_ns);
rq->__data_len = 0;
rq->__sector = (sector_t) -1;
rq->bio = rq->biotail = NULL;
return rq;
out_queue_exit:
blk_queue_exit(q);

12
block/genhd.c
View file

@ -410,9 +410,10 @@ int __must_check device_add_disk(struct device *parent, struct gendisk *disk,
* Otherwise just allocate the device numbers for both the whole device
* and all partitions from the extended dev_t space.
*/
ret = -EINVAL;
if (disk->major) {
if (WARN_ON(!disk->minors))
return -EINVAL;
goto out_exit_elevator;
if (disk->minors > DISK_MAX_PARTS) {
pr_err("block: can't allocate more than %d partitions\n",
@ -420,14 +421,14 @@ int __must_check device_add_disk(struct device *parent, struct gendisk *disk,
disk->minors = DISK_MAX_PARTS;
}
if (disk->first_minor + disk->minors > MINORMASK + 1)
return -EINVAL;
goto out_exit_elevator;
} else {
if (WARN_ON(disk->minors))
return -EINVAL;
goto out_exit_elevator;
ret = blk_alloc_ext_minor();
if (ret < 0)
return ret;
goto out_exit_elevator;
disk->major = BLOCK_EXT_MAJOR;
disk->first_minor = ret;
}
@ -540,6 +541,9 @@ out_device_del:
out_free_ext_minor:
if (disk->major == BLOCK_EXT_MAJOR)
blk_free_ext_minor(disk->first_minor);
out_exit_elevator:
if (disk->queue->elevator)
elevator_exit(disk->queue);
return ret;
}
EXPORT_SYMBOL(device_add_disk);

2
drivers/acpi/acpi_pcc.c
View file

@ -27,7 +27,7 @@
* Arbitrary retries in case the remote processor is slow to respond
* to PCC commands
*/
#define PCC_CMD_WAIT_RETRIES_NUM 500
#define PCC_CMD_WAIT_RETRIES_NUM 500ULL
struct pcc_data {
struct pcc_mbox_chan *pcc_chan;

7
drivers/acpi/resource.c
View file

@ -425,6 +425,13 @@ static const struct dmi_system_id asus_laptop[] = {
DMI_MATCH(DMI_BOARD_NAME, "S5402ZA"),
},
},
{
.ident = "Asus Vivobook S5602ZA",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
DMI_MATCH(DMI_BOARD_NAME, "S5602ZA"),
},
},
{ }
};

1
drivers/acpi/scan.c
View file

@ -789,6 +789,7 @@ static bool acpi_info_matches_ids(struct acpi_device_info *info,
static const char * const acpi_ignore_dep_ids[] = {
"PNP0D80", /* Windows-compatible System Power Management Controller */
"INT33BD", /* Intel Baytrail Mailbox Device */
"LATT2021", /* Lattice FW Update Client Driver */
NULL
};

4
drivers/base/power/domain.c
View file

@ -2952,6 +2952,10 @@ static int genpd_iterate_idle_states(struct device_node *dn,
np = it.node;
if (!of_match_node(idle_state_match, np))
continue;
if (!of_device_is_available(np))
continue;
if (states) {
ret = genpd_parse_state(&states[i], np);
if (ret) {

4
drivers/base/property.c
View file

@ -229,7 +229,7 @@ EXPORT_SYMBOL_GPL(device_property_read_string);
* Find a given string in a string array and if it is found return the
* index back.
*
* Return: %0 if the property was found (success),
* Return: index, starting from %0, if the property was found (success),
* %-EINVAL if given arguments are not valid,
* %-ENODATA if the property does not have a value,
* %-EPROTO if the property is not an array of strings,
@ -450,7 +450,7 @@ EXPORT_SYMBOL_GPL(fwnode_property_read_string);
* Find a given string in a string array and if it is found return the
* index back.
*
* Return: %0 if the property was found (success),
* Return: index, starting from %0, if the property was found (success),
* %-EINVAL if given arguments are not valid,
* %-ENODATA if the property does not have a value,
* %-EPROTO if the property is not an array of strings,

4
drivers/block/rbd.c
View file

@ -7222,8 +7222,10 @@ static int __init rbd_sysfs_init(void)
int ret;
ret = device_register(&rbd_root_dev);
if (ret < 0)
if (ret < 0) {
put_device(&rbd_root_dev);
return ret;
}
ret = bus_register(&rbd_bus_type);
if (ret < 0)

2
drivers/bluetooth/virtio_bt.c
View file

@ -219,7 +219,7 @@ static void virtbt_rx_work(struct work_struct *work)
if (!skb)
return;
skb->len = len;
skb_put(skb, len);
virtbt_rx_handle(vbt, skb);
if (virtbt_add_inbuf(vbt) < 0)

4
drivers/char/random.c
View file

@ -791,13 +791,13 @@ void __init random_init_early(const char *command_line)
#endif
for (i = 0, arch_bits = sizeof(entropy) * 8; i < ARRAY_SIZE(entropy);) {
longs = arch_get_random_seed_longs(entropy, ARRAY_SIZE(entropy) - i);
longs = arch_get_random_seed_longs_early(entropy, ARRAY_SIZE(entropy) - i);
if (longs) {
_mix_pool_bytes(entropy, sizeof(*entropy) * longs);
i += longs;
continue;
}
longs = arch_get_random_longs(entropy, ARRAY_SIZE(entropy) - i);
longs = arch_get_random_longs_early(entropy, ARRAY_SIZE(entropy) - i);
if (longs) {
_mix_pool_bytes(entropy, sizeof(*entropy) * longs);
i += longs;

64
drivers/counter/104-quad-8.c
View file

@ -232,34 +232,45 @@ static const enum counter_function quad8_count_functions_list[] = {
COUNTER_FUNCTION_QUADRATURE_X4,
};
static int quad8_function_get(const struct quad8 *const priv, const size_t id,
enum counter_function *const function)
{
if (!priv->quadrature_mode[id]) {
*function = COUNTER_FUNCTION_PULSE_DIRECTION;
return 0;
}
switch (priv->quadrature_scale[id]) {
case 0:
*function = COUNTER_FUNCTION_QUADRATURE_X1_A;
return 0;
case 1:
*function = COUNTER_FUNCTION_QUADRATURE_X2_A;
return 0;
case 2:
*function = COUNTER_FUNCTION_QUADRATURE_X4;
return 0;
default:
/* should never reach this path */
return -EINVAL;
}
}
static int quad8_function_read(struct counter_device *counter,
struct counter_count *count,
enum counter_function *function)
{
struct quad8 *const priv = counter_priv(counter);
const int id = count->id;
unsigned long irqflags;
int retval;
spin_lock_irqsave(&priv->lock, irqflags);
if (priv->quadrature_mode[id])
switch (priv->quadrature_scale[id]) {
case 0:
*function = COUNTER_FUNCTION_QUADRATURE_X1_A;
break;
case 1:
*function = COUNTER_FUNCTION_QUADRATURE_X2_A;
break;
case 2:
*function = COUNTER_FUNCTION_QUADRATURE_X4;
break;
}
else
*function = COUNTER_FUNCTION_PULSE_DIRECTION;
retval = quad8_function_get(priv, count->id, function);
spin_unlock_irqrestore(&priv->lock, irqflags);
return 0;
return retval;
}
static int quad8_function_write(struct counter_device *counter,
@ -359,6 +370,7 @@ static int quad8_action_read(struct counter_device *counter,
enum counter_synapse_action *action)
{
struct quad8 *const priv = counter_priv(counter);
unsigned long irqflags;
int err;
enum counter_function function;
const size_t signal_a_id = count->synapses[0].signal->id;
@ -374,9 +386,21 @@ static int quad8_action_read(struct counter_device *counter,
return 0;
}
err = quad8_function_read(counter, count, &function);
if (err)
spin_lock_irqsave(&priv->lock, irqflags);
/* Get Count function and direction atomically */
err = quad8_function_get(priv, count->id, &function);
if (err) {
spin_unlock_irqrestore(&priv->lock, irqflags);
return err;
}
err = quad8_direction_read(counter, count, &direction);
if (err) {
spin_unlock_irqrestore(&priv->lock, irqflags);
return err;
}
spin_unlock_irqrestore(&priv->lock, irqflags);
/* Default action mode */
*action = COUNTER_SYNAPSE_ACTION_NONE;
@ -389,10 +413,6 @@ static int quad8_action_read(struct counter_device *counter,
return 0;
case COUNTER_FUNCTION_QUADRATURE_X1_A:
if (synapse->signal->id == signal_a_id) {
err = quad8_direction_read(counter, count, &direction);
if (err)
return err;
if (direction == COUNTER_COUNT_DIRECTION_FORWARD)
*action = COUNTER_SYNAPSE_ACTION_RISING_EDGE;
else

18
drivers/counter/microchip-tcb-capture.c
View file

@ -28,7 +28,6 @@ struct mchp_tc_data {
int qdec_mode;
int num_channels;
int channel[2];
bool trig_inverted;
};
static const enum counter_function mchp_tc_count_functions[] = {
@ -153,7 +152,7 @@ static int mchp_tc_count_signal_read(struct counter_device *counter,
regmap_read(priv->regmap, ATMEL_TC_REG(priv->channel[0], SR), &sr);
if (priv->trig_inverted)
if (signal->id == 1)
sigstatus = (sr & ATMEL_TC_MTIOB);
else
sigstatus = (sr & ATMEL_TC_MTIOA);
@ -171,6 +170,17 @@ static int mchp_tc_count_action_read(struct counter_device *counter,
struct mchp_tc_data *const priv = counter_priv(counter);
u32 cmr;
if (priv->qdec_mode) {
*action = COUNTER_SYNAPSE_ACTION_BOTH_EDGES;
return 0;
}
/* Only TIOA signal is evaluated in non-QDEC mode */
if (synapse->signal->id != 0) {
*action = COUNTER_SYNAPSE_ACTION_NONE;
return 0;
}
regmap_read(priv->regmap, ATMEL_TC_REG(priv->channel[0], CMR), &cmr);
switch (cmr & ATMEL_TC_ETRGEDG) {
@ -199,8 +209,8 @@ static int mchp_tc_count_action_write(struct counter_device *counter,
struct mchp_tc_data *const priv = counter_priv(counter);
u32 edge = ATMEL_TC_ETRGEDG_NONE;
/* QDEC mode is rising edge only */
if (priv->qdec_mode)
/* QDEC mode is rising edge only; only TIOA handled in non-QDEC mode */
if (priv->qdec_mode || synapse->signal->id != 0)
return -EINVAL;
switch (action) {

7
drivers/counter/ti-ecap-capture.c
View file

@ -377,7 +377,8 @@ static const enum counter_signal_polarity ecap_cnt_pol_avail[] = {
COUNTER_SIGNAL_POLARITY_NEGATIVE,
};
static DEFINE_COUNTER_ARRAY_POLARITY(ecap_cnt_pol_array, ecap_cnt_pol_avail, ECAP_NB_CEVT);
static DEFINE_COUNTER_AVAILABLE(ecap_cnt_pol_available, ecap_cnt_pol_avail);
static DEFINE_COUNTER_ARRAY_POLARITY(ecap_cnt_pol_array, ecap_cnt_pol_available, ECAP_NB_CEVT);
static struct counter_comp ecap_cnt_signal_ext[] = {
COUNTER_COMP_ARRAY_POLARITY(ecap_cnt_pol_read, ecap_cnt_pol_write, ecap_cnt_pol_array),
@ -479,8 +480,8 @@ static int ecap_cnt_probe(struct platform_device *pdev)
int ret;
counter_dev = devm_counter_alloc(dev, sizeof(*ecap_dev));
if (IS_ERR(counter_dev))
return PTR_ERR(counter_dev);
if (!counter_dev)
return -ENOMEM;
counter_dev->name = ECAP_DRV_NAME;
counter_dev->parent = dev;

139
drivers/cpufreq/intel_pstate.c
View file

@ -27,6 +27,7 @@
#include <linux/pm_qos.h>
#include <trace/events/power.h>
#include <asm/cpu.h>
#include <asm/div64.h>
#include <asm/msr.h>
#include <asm/cpu_device_id.h>
@ -280,10 +281,10 @@ static struct cpudata **all_cpu_data;
* structure is used to store those callbacks.
*/
struct pstate_funcs {
int (*get_max)(void);
int (*get_max_physical)(void);
int (*get_min)(void);
int (*get_turbo)(void);
int (*get_max)(int cpu);
int (*get_max_physical)(int cpu);
int (*get_min)(int cpu);
int (*get_turbo)(int cpu);
int (*get_scaling)(void);
int (*get_cpu_scaling)(int cpu);
int (*get_aperf_mperf_shift)(void);
@ -398,16 +399,6 @@ static int intel_pstate_get_cppc_guaranteed(int cpu)
return cppc_perf.nominal_perf;
}
static u32 intel_pstate_cppc_nominal(int cpu)
{
u64 nominal_perf;
if (cppc_get_nominal_perf(cpu, &nominal_perf))
return 0;
return nominal_perf;
}
#else /* CONFIG_ACPI_CPPC_LIB */
static inline void intel_pstate_set_itmt_prio(int cpu)
{
@ -531,35 +522,18 @@ static void intel_pstate_hybrid_hwp_adjust(struct cpudata *cpu)
{
int perf_ctl_max_phys = cpu->pstate.max_pstate_physical;
int perf_ctl_scaling = cpu->pstate.perf_ctl_scaling;
int perf_ctl_turbo = pstate_funcs.get_turbo();
int turbo_freq = perf_ctl_turbo * perf_ctl_scaling;
int perf_ctl_turbo = pstate_funcs.get_turbo(cpu->cpu);
int scaling = cpu->pstate.scaling;
pr_debug("CPU%d: perf_ctl_max_phys = %d\n", cpu->cpu, perf_ctl_max_phys);
pr_debug("CPU%d: perf_ctl_max = %d\n", cpu->cpu, pstate_funcs.get_max());
pr_debug("CPU%d: perf_ctl_turbo = %d\n", cpu->cpu, perf_ctl_turbo);
pr_debug("CPU%d: perf_ctl_scaling = %d\n", cpu->cpu, perf_ctl_scaling);
pr_debug("CPU%d: HWP_CAP guaranteed = %d\n", cpu->cpu, cpu->pstate.max_pstate);
pr_debug("CPU%d: HWP_CAP highest = %d\n", cpu->cpu, cpu->pstate.turbo_pstate);
pr_debug("CPU%d: HWP-to-frequency scaling factor: %d\n", cpu->cpu, scaling);
/*
* If the product of the HWP performance scaling factor and the HWP_CAP
* highest performance is greater than the maximum turbo frequency
* corresponding to the pstate_funcs.get_turbo() return value, the
* scaling factor is too high, so recompute it to make the HWP_CAP
* highest performance correspond to the maximum turbo frequency.
*/
cpu->pstate.turbo_freq = cpu->pstate.turbo_pstate * scaling;
if (turbo_freq < cpu->pstate.turbo_freq) {
cpu->pstate.turbo_freq = turbo_freq;
scaling = DIV_ROUND_UP(turbo_freq, cpu->pstate.turbo_pstate);
cpu->pstate.scaling = scaling;
pr_debug("CPU%d: refined HWP-to-frequency scaling factor: %d\n",
cpu->cpu, scaling);
}
cpu->pstate.turbo_freq = rounddown(cpu->pstate.turbo_pstate * scaling,
perf_ctl_scaling);
cpu->pstate.max_freq = rounddown(cpu->pstate.max_pstate * scaling,
perf_ctl_scaling);
@ -1740,7 +1714,7 @@ static void intel_pstate_hwp_enable(struct cpudata *cpudata)
intel_pstate_update_epp_defaults(cpudata);
}
static int atom_get_min_pstate(void)
static int atom_get_min_pstate(int not_used)
{
u64 value;
@ -1748,7 +1722,7 @@ static int atom_get_min_pstate(void)
return (value >> 8) & 0x7F;
}
static int atom_get_max_pstate(void)
static int atom_get_max_pstate(int not_used)
{
u64 value;
@ -1756,7 +1730,7 @@ static int atom_get_max_pstate(void)
return (value >> 16) & 0x7F;
}
static int atom_get_turbo_pstate(void)
static int atom_get_turbo_pstate(int not_used)
{
u64 value;
@ -1834,23 +1808,23 @@ static void atom_get_vid(struct cpudata *cpudata)
cpudata->vid.turbo = value & 0x7f;
}
static int core_get_min_pstate(void)
static int core_get_min_pstate(int cpu)
{
u64 value;
rdmsrl(MSR_PLATFORM_INFO, value);
rdmsrl_on_cpu(cpu, MSR_PLATFORM_INFO, &value);
return (value >> 40) & 0xFF;
}
static int core_get_max_pstate_physical(void)
static int core_get_max_pstate_physical(int cpu)
{
u64 value;
rdmsrl(MSR_PLATFORM_INFO, value);
rdmsrl_on_cpu(cpu, MSR_PLATFORM_INFO, &value);
return (value >> 8) & 0xFF;
}
static int core_get_tdp_ratio(u64 plat_info)
static int core_get_tdp_ratio(int cpu, u64 plat_info)
{
/* Check how many TDP levels present */
if (plat_info & 0x600000000) {
@ -1860,13 +1834,13 @@ static int core_get_tdp_ratio(u64 plat_info)
int err;
/* Get the TDP level (0, 1, 2) to get ratios */
err = rdmsrl_safe(MSR_CONFIG_TDP_CONTROL, &tdp_ctrl);
err = rdmsrl_safe_on_cpu(cpu, MSR_CONFIG_TDP_CONTROL, &tdp_ctrl);
if (err)
return err;
/* TDP MSR are continuous starting at 0x648 */
tdp_msr = MSR_CONFIG_TDP_NOMINAL + (tdp_ctrl & 0x03);
err = rdmsrl_safe(tdp_msr, &tdp_ratio);
err = rdmsrl_safe_on_cpu(cpu, tdp_msr, &tdp_ratio);
if (err)
return err;
@ -1883,7 +1857,7 @@ static int core_get_tdp_ratio(u64 plat_info)
return -ENXIO;
}
static int core_get_max_pstate(void)
static int core_get_max_pstate(int cpu)
{
u64 tar;
u64 plat_info;
@ -1891,10 +1865,10 @@ static int core_get_max_pstate(void)
int tdp_ratio;
int err;
rdmsrl(MSR_PLATFORM_INFO, plat_info);
rdmsrl_on_cpu(cpu, MSR_PLATFORM_INFO, &plat_info);
max_pstate = (plat_info >> 8) & 0xFF;
tdp_ratio = core_get_tdp_ratio(plat_info);
tdp_ratio = core_get_tdp_ratio(cpu, plat_info);
if (tdp_ratio <= 0)
return max_pstate;
@ -1903,7 +1877,7 @@ static int core_get_max_pstate(void)
return tdp_ratio;
}
err = rdmsrl_safe(MSR_TURBO_ACTIVATION_RATIO, &tar);
err = rdmsrl_safe_on_cpu(cpu, MSR_TURBO_ACTIVATION_RATIO, &tar);
if (!err) {
int tar_levels;
@ -1918,13 +1892,13 @@ static int core_get_max_pstate(void)
return max_pstate;
}
static int core_get_turbo_pstate(void)
static int core_get_turbo_pstate(int cpu)
{
u64 value;
int nont, ret;
rdmsrl(MSR_TURBO_RATIO_LIMIT, value);
nont = core_get_max_pstate();
rdmsrl_on_cpu(cpu, MSR_TURBO_RATIO_LIMIT, &value);
nont = core_get_max_pstate(cpu);
ret = (value) & 255;
if (ret <= nont)
ret = nont;
@ -1952,51 +1926,38 @@ static int knl_get_aperf_mperf_shift(void)
return 10;
}
static int knl_get_turbo_pstate(void)
static int knl_get_turbo_pstate(int cpu)
{
u64 value;
int nont, ret;
rdmsrl(MSR_TURBO_RATIO_LIMIT, value);
nont = core_get_max_pstate();
rdmsrl_on_cpu(cpu, MSR_TURBO_RATIO_LIMIT, &value);
nont = core_get_max_pstate(cpu);
ret = (((value) >> 8) & 0xFF);
if (ret <= nont)
ret = nont;
return ret;
}
#ifdef CONFIG_ACPI_CPPC_LIB
static u32 hybrid_ref_perf;
static void hybrid_get_type(void *data)
{
u8 *cpu_type = data;
*cpu_type = get_this_hybrid_cpu_type();
}
static int hybrid_get_cpu_scaling(int cpu)
{
return DIV_ROUND_UP(core_get_scaling() * hybrid_ref_perf,
intel_pstate_cppc_nominal(cpu));
u8 cpu_type = 0;
smp_call_function_single(cpu, hybrid_get_type, &cpu_type, 1);
/* P-cores have a smaller perf level-to-freqency scaling factor. */
if (cpu_type == 0x40)
return 78741;
return core_get_scaling();
}
static void intel_pstate_cppc_set_cpu_scaling(void)
{
u32 min_nominal_perf = U32_MAX;
int cpu;
for_each_present_cpu(cpu) {
u32 nominal_perf = intel_pstate_cppc_nominal(cpu);
if (nominal_perf && nominal_perf < min_nominal_perf)
min_nominal_perf = nominal_perf;
}
if (min_nominal_perf < U32_MAX) {
hybrid_ref_perf = min_nominal_perf;
pstate_funcs.get_cpu_scaling = hybrid_get_cpu_scaling;
}
}
#else
static inline void intel_pstate_cppc_set_cpu_scaling(void)
{
}
#endif /* CONFIG_ACPI_CPPC_LIB */
static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate)
{
trace_cpu_frequency(pstate * cpu->pstate.scaling, cpu->cpu);
@ -2025,10 +1986,10 @@ static void intel_pstate_max_within_limits(struct cpudata *cpu)
static void intel_pstate_get_cpu_pstates(struct cpudata *cpu)
{
int perf_ctl_max_phys = pstate_funcs.get_max_physical();
int perf_ctl_max_phys = pstate_funcs.get_max_physical(cpu->cpu);
int perf_ctl_scaling = pstate_funcs.get_scaling();
cpu->pstate.min_pstate = pstate_funcs.get_min();
cpu->pstate.min_pstate = pstate_funcs.get_min(cpu->cpu);
cpu->pstate.max_pstate_physical = perf_ctl_max_phys;
cpu->pstate.perf_ctl_scaling = perf_ctl_scaling;
@ -2044,8 +2005,8 @@ static void intel_pstate_get_cpu_pstates(struct cpudata *cpu)
}
} else {
cpu->pstate.scaling = perf_ctl_scaling;
cpu->pstate.max_pstate = pstate_funcs.get_max();
cpu->pstate.turbo_pstate = pstate_funcs.get_turbo();
cpu->pstate.max_pstate = pstate_funcs.get_max(cpu->cpu);
cpu->pstate.turbo_pstate = pstate_funcs.get_turbo(cpu->cpu);
}
if (cpu->pstate.scaling == perf_ctl_scaling) {
@ -3221,9 +3182,9 @@ static unsigned int force_load __initdata;
static int __init intel_pstate_msrs_not_valid(void)
{
if (!pstate_funcs.get_max() ||
!pstate_funcs.get_min() ||
!pstate_funcs.get_turbo())
if (!pstate_funcs.get_max(0) ||
!pstate_funcs.get_min(0) ||
!pstate_funcs.get_turbo(0))
return -ENODEV;
return 0;
@ -3450,7 +3411,7 @@ static int __init intel_pstate_init(void)
default_driver = &intel_pstate;
if (boot_cpu_has(X86_FEATURE_HYBRID_CPU))
intel_pstate_cppc_set_cpu_scaling();
pstate_funcs.get_cpu_scaling = hybrid_get_cpu_scaling;
goto hwp_cpu_matched;
}

60
drivers/gpio/gpio-tegra.c
View file

@ -18,6 +18,7 @@
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/module.h>
#include <linux/seq_file.h>
#include <linux/irqdomain.h>
#include <linux/irqchip/chained_irq.h>
#include <linux/pinctrl/consumer.h>
@ -94,7 +95,6 @@ struct tegra_gpio_info {
struct tegra_gpio_bank *bank_info;
const struct tegra_gpio_soc_config *soc;
struct gpio_chip gc;
struct irq_chip ic;
u32 bank_count;
unsigned int *irqs;
};
@ -288,6 +288,7 @@ static void tegra_gpio_irq_mask(struct irq_data *d)
unsigned int gpio = d->hwirq;
tegra_gpio_mask_write(tgi, GPIO_MSK_INT_ENB(tgi, gpio), gpio, 0);
gpiochip_disable_irq(chip, gpio);
}
static void tegra_gpio_irq_unmask(struct irq_data *d)
@ -296,6 +297,7 @@ static void tegra_gpio_irq_unmask(struct irq_data *d)
struct tegra_gpio_info *tgi = gpiochip_get_data(chip);
unsigned int gpio = d->hwirq;
gpiochip_enable_irq(chip, gpio);
tegra_gpio_mask_write(tgi, GPIO_MSK_INT_ENB(tgi, gpio), gpio, 1);
}
@ -598,10 +600,47 @@ static void tegra_gpio_irq_release_resources(struct irq_data *d)
tegra_gpio_enable(tgi, d->hwirq);
}
static void tegra_gpio_irq_print_chip(struct irq_data *d, struct seq_file *s)
{
struct gpio_chip *chip = irq_data_get_irq_chip_data(d);
seq_printf(s, dev_name(chip->parent));
}
static const struct irq_chip tegra_gpio_irq_chip = {
.irq_shutdown = tegra_gpio_irq_shutdown,
.irq_ack = tegra_gpio_irq_ack,
.irq_mask = tegra_gpio_irq_mask,
.irq_unmask = tegra_gpio_irq_unmask,
.irq_set_type = tegra_gpio_irq_set_type,
#ifdef CONFIG_PM_SLEEP
.irq_set_wake = tegra_gpio_irq_set_wake,
#endif
.irq_print_chip = tegra_gpio_irq_print_chip,
.irq_request_resources = tegra_gpio_irq_request_resources,
.irq_release_resources = tegra_gpio_irq_release_resources,
.flags = IRQCHIP_IMMUTABLE,
};
static const struct irq_chip tegra210_gpio_irq_chip = {
.irq_shutdown = tegra_gpio_irq_shutdown,
.irq_ack = tegra_gpio_irq_ack,
.irq_mask = tegra_gpio_irq_mask,
.irq_unmask = tegra_gpio_irq_unmask,
.irq_set_affinity = tegra_gpio_irq_set_affinity,
.irq_set_type = tegra_gpio_irq_set_type,
#ifdef CONFIG_PM_SLEEP
.irq_set_wake = tegra_gpio_irq_set_wake,
#endif
.irq_print_chip = tegra_gpio_irq_print_chip,
.irq_request_resources = tegra_gpio_irq_request_resources,
.irq_release_resources = tegra_gpio_irq_release_resources,
.flags = IRQCHIP_IMMUTABLE,
};
#ifdef CONFIG_DEBUG_FS
#include <linux/debugfs.h>
#include <linux/seq_file.h>
static int tegra_dbg_gpio_show(struct seq_file *s, void *unused)
{
@ -689,18 +728,6 @@ static int tegra_gpio_probe(struct platform_device *pdev)
tgi->gc.ngpio = tgi->bank_count * 32;
tgi->gc.parent = &pdev->dev;
tgi->ic.name = "GPIO";
tgi->ic.irq_ack = tegra_gpio_irq_ack;
tgi->ic.irq_mask = tegra_gpio_irq_mask;
tgi->ic.irq_unmask = tegra_gpio_irq_unmask;
tgi->ic.irq_set_type = tegra_gpio_irq_set_type;
tgi->ic.irq_shutdown = tegra_gpio_irq_shutdown;
#ifdef CONFIG_PM_SLEEP
tgi->ic.irq_set_wake = tegra_gpio_irq_set_wake;
#endif
tgi->ic.irq_request_resources = tegra_gpio_irq_request_resources;
tgi->ic.irq_release_resources = tegra_gpio_irq_release_resources;
platform_set_drvdata(pdev, tgi);
if (tgi->soc->debounce_supported)
@ -733,7 +760,6 @@ static int tegra_gpio_probe(struct platform_device *pdev)
}
irq = &tgi->gc.irq;
irq->chip = &tgi->ic;
irq->fwnode = of_node_to_fwnode(pdev->dev.of_node);
irq->child_to_parent_hwirq = tegra_gpio_child_to_parent_hwirq;
irq->populate_parent_alloc_arg = tegra_gpio_populate_parent_fwspec;
@ -752,7 +778,9 @@ static int tegra_gpio_probe(struct platform_device *pdev)
if (!irq->parent_domain)
return -EPROBE_DEFER;
tgi->ic.irq_set_affinity = tegra_gpio_irq_set_affinity;
gpio_irq_chip_set_chip(irq, &tegra210_gpio_irq_chip);
} else {
gpio_irq_chip_set_chip(irq, &tegra_gpio_irq_chip);
}
tgi->regs = devm_platform_ioremap_resource(pdev, 0);

6
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
View file

@ -510,13 +510,13 @@ kfd_mem_dmamap_userptr(struct kgd_mem *mem,
struct ttm_tt *ttm = bo->tbo.ttm;
int ret;
if (WARN_ON(ttm->num_pages != src_ttm->num_pages))
return -EINVAL;
ttm->sg = kmalloc(sizeof(*ttm->sg), GFP_KERNEL);
if (unlikely(!ttm->sg))
return -ENOMEM;
if (WARN_ON(ttm->num_pages != src_ttm->num_pages))
return -EINVAL;
/* Same sequence as in amdgpu_ttm_tt_pin_userptr */
ret = sg_alloc_table_from_pages(ttm->sg, src_ttm->pages,
ttm->num_pages, 0,

5
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
View file

@ -326,7 +326,10 @@ static int amdgpu_ctx_init(struct amdgpu_ctx_mgr *mgr, int32_t priority,
if (r)
return r;
ctx->stable_pstate = current_stable_pstate;
if (mgr->adev->pm.stable_pstate_ctx)
ctx->stable_pstate = mgr->adev->pm.stable_pstate_ctx->stable_pstate;
else
ctx->stable_pstate = current_stable_pstate;
return 0;
}

18
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View file

@ -3210,6 +3210,15 @@ static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev)
return r;
}
adev->ip_blocks[i].status.hw = true;
if (adev->in_s0ix && adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) {
/* disable gfxoff for IP resume. The gfxoff will be re-enabled in
* amdgpu_device_resume() after IP resume.
*/
amdgpu_gfx_off_ctrl(adev, false);
DRM_DEBUG("will disable gfxoff for re-initializing other blocks\n");
}
}
return 0;
@ -4185,6 +4194,13 @@ int amdgpu_device_resume(struct drm_device *dev, bool fbcon)
/* Make sure IB tests flushed */
flush_delayed_work(&adev->delayed_init_work);
if (adev->in_s0ix) {
/* re-enable gfxoff after IP resume. This re-enables gfxoff after
* it was disabled for IP resume in amdgpu_device_ip_resume_phase2().
*/
amdgpu_gfx_off_ctrl(adev, true);
DRM_DEBUG("will enable gfxoff for the mission mode\n");
}
if (fbcon)
drm_fb_helper_set_suspend_unlocked(adev_to_drm(adev)->fb_helper, false);
@ -5381,7 +5397,7 @@ skip_hw_reset:
drm_sched_start(&ring->sched, !tmp_adev->asic_reset_res);
}
if (adev->enable_mes)
if (adev->enable_mes && adev->ip_versions[GC_HWIP][0] != IP_VERSION(11, 0, 3))
amdgpu_mes_self_test(tmp_adev);
if (!drm_drv_uses_atomic_modeset(adev_to_drm(tmp_adev)) && !job_signaled) {

13
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
View file

@ -344,6 +344,10 @@ static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
fw_info->ver = adev->mes.ucode_fw_version[1];
fw_info->feature = 0;
break;
case AMDGPU_INFO_FW_IMU:
fw_info->ver = adev->gfx.imu_fw_version;
fw_info->feature = 0;
break;
default:
return -EINVAL;
}
@ -1520,6 +1524,15 @@ static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
fw_info.feature, fw_info.ver);
}
/* IMU */
query_fw.fw_type = AMDGPU_INFO_FW_IMU;
query_fw.index = 0;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "IMU feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* PSP SOS */
query_fw.fw_type = AMDGPU_INFO_FW_SOS;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);

4
drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
View file

@ -698,6 +698,7 @@ FW_VERSION_ATTR(rlc_srlg_fw_version, 0444, gfx.rlc_srlg_fw_version);
FW_VERSION_ATTR(rlc_srls_fw_version, 0444, gfx.rlc_srls_fw_version);
FW_VERSION_ATTR(mec_fw_version, 0444, gfx.mec_fw_version);
FW_VERSION_ATTR(mec2_fw_version, 0444, gfx.mec2_fw_version);
FW_VERSION_ATTR(imu_fw_version, 0444, gfx.imu_fw_version);
FW_VERSION_ATTR(sos_fw_version, 0444, psp.sos.fw_version);
FW_VERSION_ATTR(asd_fw_version, 0444, psp.asd_context.bin_desc.fw_version);
FW_VERSION_ATTR(ta_ras_fw_version, 0444, psp.ras_context.context.bin_desc.fw_version);
@ -719,7 +720,8 @@ static struct attribute *fw_attrs[] = {
&dev_attr_ta_ras_fw_version.attr, &dev_attr_ta_xgmi_fw_version.attr,
&dev_attr_smc_fw_version.attr, &dev_attr_sdma_fw_version.attr,
&dev_attr_sdma2_fw_version.attr, &dev_attr_vcn_fw_version.attr,
&dev_attr_dmcu_fw_version.attr, NULL
&dev_attr_dmcu_fw_version.attr, &dev_attr_imu_fw_version.attr,
NULL
};
static const struct attribute_group fw_attr_group = {

1
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
View file

@ -547,6 +547,7 @@ static void amdgpu_virt_populate_vf2pf_ucode_info(struct amdgpu_device *adev)
POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_RLC_SRLS, adev->gfx.rlc_srls_fw_version);
POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_MEC, adev->gfx.mec_fw_version);
POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_MEC2, adev->gfx.mec2_fw_version);
POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_IMU, adev->gfx.imu_fw_version);
POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_SOS, adev->psp.sos.fw_version);
POPULATE_UCODE_INFO(vf2pf_info, AMD_SRIOV_UCODE_ID_ASD,
adev->psp.asd_context.bin_desc.fw_version);

1
drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h
View file

@ -70,6 +70,7 @@ enum amd_sriov_ucode_engine_id {
AMD_SRIOV_UCODE_ID_RLC_SRLS,
AMD_SRIOV_UCODE_ID_MEC,
AMD_SRIOV_UCODE_ID_MEC2,
AMD_SRIOV_UCODE_ID_IMU,
AMD_SRIOV_UCODE_ID_SOS,
AMD_SRIOV_UCODE_ID_ASD,
AMD_SRIOV_UCODE_ID_TA_RAS,

1
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
View file

@ -5051,6 +5051,7 @@ static int gfx_v11_0_set_powergating_state(void *handle,
switch (adev->ip_versions[GC_HWIP][0]) {
case IP_VERSION(11, 0, 0):
case IP_VERSION(11, 0, 2):
case IP_VERSION(11, 0, 3):
amdgpu_gfx_off_ctrl(adev, enable);
break;
case IP_VERSION(11, 0, 1):

9
drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
View file

@ -98,7 +98,14 @@ static int mes_v11_0_submit_pkt_and_poll_completion(struct amdgpu_mes *mes,
struct amdgpu_device *adev = mes->adev;
struct amdgpu_ring *ring = &mes->ring;
unsigned long flags;
signed long timeout = adev->usec_timeout;
if (amdgpu_emu_mode) {
timeout *= 100;
} else if (amdgpu_sriov_vf(adev)) {
/* Worst case in sriov where all other 15 VF timeout, each VF needs about 600ms */
timeout = 15 * 600 * 1000;
}
BUG_ON(size % 4 != 0);
spin_lock_irqsave(&mes->ring_lock, flags);
@ -118,7 +125,7 @@ static int mes_v11_0_submit_pkt_and_poll_completion(struct amdgpu_mes *mes,
DRM_DEBUG("MES msg=%d was emitted\n", x_pkt->header.opcode);
r = amdgpu_fence_wait_polling(ring, ring->fence_drv.sync_seq,
adev->usec_timeout * (amdgpu_emu_mode ? 100 : 1));
timeout);
if (r < 1) {
DRM_ERROR("MES failed to response msg=%d\n",
x_pkt->header.opcode);

28
drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
View file

@ -32,8 +32,6 @@
#include "gc/gc_10_1_0_offset.h"
#include "soc15_common.h"
#define mmMM_ATC_L2_MISC_CG_Sienna_Cichlid 0x064d
#define mmMM_ATC_L2_MISC_CG_Sienna_Cichlid_BASE_IDX 0
#define mmDAGB0_CNTL_MISC2_Sienna_Cichlid 0x0070
#define mmDAGB0_CNTL_MISC2_Sienna_Cichlid_BASE_IDX 0
@ -574,7 +572,6 @@ static void mmhub_v2_0_update_medium_grain_clock_gating(struct amdgpu_device *ad
case IP_VERSION(2, 1, 0):
case IP_VERSION(2, 1, 1):
case IP_VERSION(2, 1, 2):
def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid);
def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_Sienna_Cichlid);
break;
default:
@ -608,8 +605,6 @@ static void mmhub_v2_0_update_medium_grain_clock_gating(struct amdgpu_device *ad
case IP_VERSION(2, 1, 0):
case IP_VERSION(2, 1, 1):
case IP_VERSION(2, 1, 2):
if (def != data)
WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid, data);
if (def1 != data1)
WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_Sienna_Cichlid, data1);
break;
@ -634,8 +629,8 @@ static void mmhub_v2_0_update_medium_grain_light_sleep(struct amdgpu_device *ade
case IP_VERSION(2, 1, 0):
case IP_VERSION(2, 1, 1):
case IP_VERSION(2, 1, 2):
def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid);
break;
/* There is no ATCL2 in MMHUB for 2.1.x */
return;
default:
def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG);
break;
@ -646,18 +641,8 @@ static void mmhub_v2_0_update_medium_grain_light_sleep(struct amdgpu_device *ade
else
data &= ~MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
if (def != data) {
switch (adev->ip_versions[MMHUB_HWIP][0]) {
case IP_VERSION(2, 1, 0):
case IP_VERSION(2, 1, 1):
case IP_VERSION(2, 1, 2):
WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid, data);
break;
default:
WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG, data);
break;
}
}
if (def != data)
WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG, data);
}
static int mmhub_v2_0_set_clockgating(struct amdgpu_device *adev,
@ -695,7 +680,10 @@ static void mmhub_v2_0_get_clockgating(struct amdgpu_device *adev, u64 *flags)
case IP_VERSION(2, 1, 0):
case IP_VERSION(2, 1, 1):
case IP_VERSION(2, 1, 2):
data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid);
/* There is no ATCL2 in MMHUB for 2.1.x. Keep the status
* based on DAGB
*/
data = MM_ATC_L2_MISC_CG__ENABLE_MASK;
data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_Sienna_Cichlid);
break;
default:

106
drivers/gpu/drm/amd/amdkfd/kfd_crat.c
View file

@ -795,6 +795,102 @@ static struct kfd_gpu_cache_info yellow_carp_cache_info[] = {
},
};
static struct kfd_gpu_cache_info gfx1037_cache_info[] = {
{
/* TCP L1 Cache per CU */
.cache_size = 16,
.cache_level = 1,
.flags = (CRAT_CACHE_FLAGS_ENABLED |
CRAT_CACHE_FLAGS_DATA_CACHE |
CRAT_CACHE_FLAGS_SIMD_CACHE),
.num_cu_shared = 1,
},
{
/* Scalar L1 Instruction Cache per SQC */
.cache_size = 32,
.cache_level = 1,
.flags = (CRAT_CACHE_FLAGS_ENABLED |
CRAT_CACHE_FLAGS_INST_CACHE |
CRAT_CACHE_FLAGS_SIMD_CACHE),
.num_cu_shared = 2,
},
{
/* Scalar L1 Data Cache per SQC */
.cache_size = 16,
.cache_level = 1,
.flags = (CRAT_CACHE_FLAGS_ENABLED |
CRAT_CACHE_FLAGS_DATA_CACHE |
CRAT_CACHE_FLAGS_SIMD_CACHE),
.num_cu_shared = 2,
},
{
/* GL1 Data Cache per SA */
.cache_size = 128,
.cache_level = 1,
.flags = (CRAT_CACHE_FLAGS_ENABLED |
CRAT_CACHE_FLAGS_DATA_CACHE |
CRAT_CACHE_FLAGS_SIMD_CACHE),
.num_cu_shared = 2,
},
{
/* L2 Data Cache per GPU (Total Tex Cache) */
.cache_size = 256,
.cache_level = 2,
.flags = (CRAT_CACHE_FLAGS_ENABLED |
CRAT_CACHE_FLAGS_DATA_CACHE |
CRAT_CACHE_FLAGS_SIMD_CACHE),
.num_cu_shared = 2,
},
};
static struct kfd_gpu_cache_info gc_10_3_6_cache_info[] = {
{
/* TCP L1 Cache per CU */
.cache_size = 16,
.cache_level = 1,
.flags = (CRAT_CACHE_FLAGS_ENABLED |
CRAT_CACHE_FLAGS_DATA_CACHE |
CRAT_CACHE_FLAGS_SIMD_CACHE),
.num_cu_shared = 1,
},
{
/* Scalar L1 Instruction Cache per SQC */
.cache_size = 32,
.cache_level = 1,
.flags = (CRAT_CACHE_FLAGS_ENABLED |
CRAT_CACHE_FLAGS_INST_CACHE |
CRAT_CACHE_FLAGS_SIMD_CACHE),
.num_cu_shared = 2,
},
{
/* Scalar L1 Data Cache per SQC */
.cache_size = 16,
.cache_level = 1,
.flags = (CRAT_CACHE_FLAGS_ENABLED |
CRAT_CACHE_FLAGS_DATA_CACHE |
CRAT_CACHE_FLAGS_SIMD_CACHE),
.num_cu_shared = 2,
},
{
/* GL1 Data Cache per SA */
.cache_size = 128,
.cache_level = 1,
.flags = (CRAT_CACHE_FLAGS_ENABLED |
CRAT_CACHE_FLAGS_DATA_CACHE |
CRAT_CACHE_FLAGS_SIMD_CACHE),
.num_cu_shared = 2,
},
{
/* L2 Data Cache per GPU (Total Tex Cache) */
.cache_size = 256,
.cache_level = 2,
.flags = (CRAT_CACHE_FLAGS_ENABLED |
CRAT_CACHE_FLAGS_DATA_CACHE |
CRAT_CACHE_FLAGS_SIMD_CACHE),
.num_cu_shared = 2,
},
};
static void kfd_populated_cu_info_cpu(struct kfd_topology_device *dev,
struct crat_subtype_computeunit *cu)
{
@ -1514,11 +1610,17 @@ static int kfd_fill_gpu_cache_info(struct kfd_dev *kdev,
num_of_cache_types = ARRAY_SIZE(beige_goby_cache_info);
break;
case IP_VERSION(10, 3, 3):
case IP_VERSION(10, 3, 6): /* TODO: Double check these on production silicon */
case IP_VERSION(10, 3, 7): /* TODO: Double check these on production silicon */
pcache_info = yellow_carp_cache_info;
num_of_cache_types = ARRAY_SIZE(yellow_carp_cache_info);
break;
case IP_VERSION(10, 3, 6):
pcache_info = gc_10_3_6_cache_info;
num_of_cache_types = ARRAY_SIZE(gc_10_3_6_cache_info);
break;
case IP_VERSION(10, 3, 7):
pcache_info = gfx1037_cache_info;
num_of_cache_types = ARRAY_SIZE(gfx1037_cache_info);
break;
case IP_VERSION(11, 0, 0):
case IP_VERSION(11, 0, 1):
case IP_VERSION(11, 0, 2):

50
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
View file

@ -1369,7 +1369,7 @@ static bool dm_plane_format_mod_supported(struct drm_plane *plane,
{
struct amdgpu_device *adev = drm_to_adev(plane->dev);
const struct drm_format_info *info = drm_format_info(format);
struct hw_asic_id asic_id = adev->dm.dc->ctx->asic_id;
int i;
enum dm_micro_swizzle microtile = modifier_gfx9_swizzle_mode(modifier) & 3;
@ -1386,49 +1386,13 @@ static bool dm_plane_format_mod_supported(struct drm_plane *plane,
return true;
}
/* check if swizzle mode is supported by this version of DCN */
switch (asic_id.chip_family) {
case FAMILY_SI:
case FAMILY_CI:
case FAMILY_KV:
case FAMILY_CZ:
case FAMILY_VI:
/* asics before AI does not have modifier support */
return false;
case FAMILY_AI:
case FAMILY_RV:
case FAMILY_NV:
case FAMILY_VGH:
case FAMILY_YELLOW_CARP:
case AMDGPU_FAMILY_GC_10_3_6:
case AMDGPU_FAMILY_GC_10_3_7:
switch (AMD_FMT_MOD_GET(TILE, modifier)) {
case AMD_FMT_MOD_TILE_GFX9_64K_R_X:
case AMD_FMT_MOD_TILE_GFX9_64K_D_X:
case AMD_FMT_MOD_TILE_GFX9_64K_S_X:
case AMD_FMT_MOD_TILE_GFX9_64K_D:
return true;
default:
return false;
}
break;
case AMDGPU_FAMILY_GC_11_0_0:
case AMDGPU_FAMILY_GC_11_0_1:
switch (AMD_FMT_MOD_GET(TILE, modifier)) {
case AMD_FMT_MOD_TILE_GFX11_256K_R_X:
case AMD_FMT_MOD_TILE_GFX9_64K_R_X:
case AMD_FMT_MOD_TILE_GFX9_64K_D_X:
case AMD_FMT_MOD_TILE_GFX9_64K_S_X:
case AMD_FMT_MOD_TILE_GFX9_64K_D:
return true;
default:
return false;
}
break;
default:
ASSERT(0); /* Unknown asic */
break;
/* Check that the modifier is on the list of the plane's supported modifiers. */
for (i = 0; i < plane->modifier_count; i++) {
if (modifier == plane->modifiers[i])
break;
}
if (i == plane->modifier_count)
return false;
/*
* For D swizzle the canonical modifier depends on the bpp, so check

12
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
View file

@ -1270,16 +1270,6 @@ void dcn20_pipe_control_lock(
lock,
&hw_locks,
&inst_flags);
} else if (pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_MAIN) {
union dmub_inbox0_cmd_lock_hw hw_lock_cmd = { 0 };
hw_lock_cmd.bits.command_code = DMUB_INBOX0_CMD__HW_LOCK;
hw_lock_cmd.bits.hw_lock_client = HW_LOCK_CLIENT_DRIVER;
hw_lock_cmd.bits.lock_pipe = 1;
hw_lock_cmd.bits.otg_inst = pipe->stream_res.tg->inst;
hw_lock_cmd.bits.lock = lock;
if (!lock)
hw_lock_cmd.bits.should_release = 1;
dmub_hw_lock_mgr_inbox0_cmd(dc->ctx->dmub_srv, hw_lock_cmd);
} else if (pipe->plane_state != NULL && pipe->plane_state->triplebuffer_flips) {
if (lock)
pipe->stream_res.tg->funcs->triplebuffer_lock(pipe->stream_res.tg);
@ -1856,7 +1846,7 @@ void dcn20_post_unlock_program_front_end(
for (j = 0; j < TIMEOUT_FOR_PIPE_ENABLE_MS*1000
&& hubp->funcs->hubp_is_flip_pending(hubp); j++)
mdelay(1);
udelay(1);
}
}

2
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
View file

@ -200,7 +200,7 @@ bool dcn32_all_pipes_have_stream_and_plane(struct dc *dc,
struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
if (!pipe->stream)
return false;
continue;
if (!pipe->plane_state)
return false;

111
drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu13_driver_if_v13_0_0.h
View file

@ -25,7 +25,7 @@
#define SMU13_DRIVER_IF_V13_0_0_H
//Increment this version if SkuTable_t or BoardTable_t change
#define PPTABLE_VERSION 0x24
#define PPTABLE_VERSION 0x26
#define NUM_GFXCLK_DPM_LEVELS 16
#define NUM_SOCCLK_DPM_LEVELS 8
@ -109,6 +109,22 @@
#define FEATURE_SPARE_63_BIT 63
#define NUM_FEATURES 64
#define ALLOWED_FEATURE_CTRL_DEFAULT 0xFFFFFFFFFFFFFFFFULL
#define ALLOWED_FEATURE_CTRL_SCPM ((1 << FEATURE_DPM_GFXCLK_BIT) | \
(1 << FEATURE_DPM_GFX_POWER_OPTIMIZER_BIT) | \
(1 << FEATURE_DPM_UCLK_BIT) | \
(1 << FEATURE_DPM_FCLK_BIT) | \
(1 << FEATURE_DPM_SOCCLK_BIT) | \
(1 << FEATURE_DPM_MP0CLK_BIT) | \
(1 << FEATURE_DPM_LINK_BIT) | \
(1 << FEATURE_DPM_DCN_BIT) | \
(1 << FEATURE_DS_GFXCLK_BIT) | \
(1 << FEATURE_DS_SOCCLK_BIT) | \
(1 << FEATURE_DS_FCLK_BIT) | \
(1 << FEATURE_DS_LCLK_BIT) | \
(1 << FEATURE_DS_DCFCLK_BIT) | \
(1 << FEATURE_DS_UCLK_BIT))
//For use with feature control messages
typedef enum {
FEATURE_PWR_ALL,
@ -133,6 +149,7 @@ typedef enum {
#define DEBUG_OVERRIDE_DISABLE_DFLL 0x00000200
#define DEBUG_OVERRIDE_ENABLE_RLC_VF_BRINGUP_MODE 0x00000400
#define DEBUG_OVERRIDE_DFLL_MASTER_MODE 0x00000800
#define DEBUG_OVERRIDE_ENABLE_PROFILING_MODE 0x00001000
// VR Mapping Bit Defines
#define VR_MAPPING_VR_SELECT_MASK 0x01
@ -262,15 +279,15 @@ typedef enum {
} I2cControllerPort_e;
typedef enum {
I2C_CONTROLLER_NAME_VR_GFX = 0,
I2C_CONTROLLER_NAME_VR_SOC,
I2C_CONTROLLER_NAME_VR_VMEMP,
I2C_CONTROLLER_NAME_VR_VDDIO,
I2C_CONTROLLER_NAME_LIQUID0,
I2C_CONTROLLER_NAME_LIQUID1,
I2C_CONTROLLER_NAME_PLX,
I2C_CONTROLLER_NAME_OTHER,
I2C_CONTROLLER_NAME_COUNT,
I2C_CONTROLLER_NAME_VR_GFX = 0,
I2C_CONTROLLER_NAME_VR_SOC,
I2C_CONTROLLER_NAME_VR_VMEMP,
I2C_CONTROLLER_NAME_VR_VDDIO,
I2C_CONTROLLER_NAME_LIQUID0,
I2C_CONTROLLER_NAME_LIQUID1,
I2C_CONTROLLER_NAME_PLX,
I2C_CONTROLLER_NAME_FAN_INTAKE,
I2C_CONTROLLER_NAME_COUNT,
} I2cControllerName_e;
typedef enum {
@ -282,16 +299,17 @@ typedef enum {
I2C_CONTROLLER_THROTTLER_LIQUID0,
I2C_CONTROLLER_THROTTLER_LIQUID1,
I2C_CONTROLLER_THROTTLER_PLX,
I2C_CONTROLLER_THROTTLER_FAN_INTAKE,
I2C_CONTROLLER_THROTTLER_INA3221,
I2C_CONTROLLER_THROTTLER_COUNT,
} I2cControllerThrottler_e;
typedef enum {
I2C_CONTROLLER_PROTOCOL_VR_XPDE132G5,
I2C_CONTROLLER_PROTOCOL_VR_IR35217,
I2C_CONTROLLER_PROTOCOL_TMP_TMP102A,
I2C_CONTROLLER_PROTOCOL_INA3221,
I2C_CONTROLLER_PROTOCOL_COUNT,
I2C_CONTROLLER_PROTOCOL_VR_XPDE132G5,
I2C_CONTROLLER_PROTOCOL_VR_IR35217,
I2C_CONTROLLER_PROTOCOL_TMP_MAX31875,
I2C_CONTROLLER_PROTOCOL_INA3221,
I2C_CONTROLLER_PROTOCOL_COUNT,
} I2cControllerProtocol_e;
typedef struct {
@ -658,13 +676,20 @@ typedef struct {
#define PP_NUM_OD_VF_CURVE_POINTS PP_NUM_RTAVFS_PWL_ZONES + 1
typedef enum {
FAN_MODE_AUTO = 0,
FAN_MODE_MANUAL_LINEAR,
} FanMode_e;
typedef struct {
uint32_t FeatureCtrlMask;
//Voltage control
int16_t VoltageOffsetPerZoneBoundary[PP_NUM_OD_VF_CURVE_POINTS];
uint16_t reserved[2];
uint16_t VddGfxVmax; // in mV
uint8_t IdlePwrSavingFeaturesCtrl;
uint8_t RuntimePwrSavingFeaturesCtrl;
//Frequency changes
int16_t GfxclkFmin; // MHz
@ -674,7 +699,7 @@ typedef struct {
//PPT
int16_t Ppt; // %
int16_t reserved1;
int16_t Tdc;
//Fan control
uint8_t FanLinearPwmPoints[NUM_OD_FAN_MAX_POINTS];
@ -701,16 +726,19 @@ typedef struct {
uint32_t FeatureCtrlMask;
int16_t VoltageOffsetPerZoneBoundary;
uint16_t reserved[2];
uint16_t VddGfxVmax; // in mV
uint16_t GfxclkFmin; // MHz
uint16_t GfxclkFmax; // MHz
uint8_t IdlePwrSavingFeaturesCtrl;
uint8_t RuntimePwrSavingFeaturesCtrl;
int16_t GfxclkFmin; // MHz
int16_t GfxclkFmax; // MHz
uint16_t UclkFmin; // MHz
uint16_t UclkFmax; // MHz
//PPT
int16_t Ppt; // %
int16_t reserved1;
int16_t Tdc;
uint8_t FanLinearPwmPoints;
uint8_t FanLinearTempPoints;
@ -857,7 +885,8 @@ typedef struct {
uint16_t FanStartTempMin;
uint16_t FanStartTempMax;
uint32_t Spare[12];
uint16_t PowerMinPpt0[POWER_SOURCE_COUNT];
uint32_t Spare[11];
} MsgLimits_t;
@ -1041,7 +1070,17 @@ typedef struct {
uint32_t GfxoffSpare[15];
// GFX GPO
uint32_t GfxGpoSpare[16];
uint32_t DfllBtcMasterScalerM;
int32_t DfllBtcMasterScalerB;
uint32_t DfllBtcSlaveScalerM;
int32_t DfllBtcSlaveScalerB;
uint32_t DfllPccAsWaitCtrl; //GDFLL_AS_WAIT_CTRL_PCC register value to be passed to RLC msg
uint32_t DfllPccAsStepCtrl; //GDFLL_AS_STEP_CTRL_PCC register value to be passed to RLC msg
uint32_t DfllL2FrequencyBoostM; //Unitless (float)
uint32_t DfllL2FrequencyBoostB; //In MHz (integer)
uint32_t GfxGpoSpare[8];
// GFX DCS
@ -1114,12 +1153,14 @@ typedef struct {
uint16_t IntakeTempHighIntakeAcousticLimit;
uint16_t IntakeTempAcouticLimitReleaseRate;
uint16_t FanStalledTempLimitOffset;
int16_t FanAbnormalTempLimitOffset;
uint16_t FanStalledTriggerRpm;
uint16_t FanAbnormalTriggerRpm;
uint16_t FanPadding;
uint16_t FanAbnormalTriggerRpmCoeff;
uint16_t FanAbnormalDetectionEnable;
uint32_t FanSpare[14];
uint8_t FanIntakeSensorSupport;
uint8_t FanIntakePadding[3];
uint32_t FanSpare[13];
// SECTION: VDD_GFX AVFS
@ -1198,8 +1239,13 @@ typedef struct {
int16_t TotalBoardPowerM;
int16_t TotalBoardPowerB;
//PMFW-11158
QuadraticInt_t qFeffCoeffGameClock[POWER_SOURCE_COUNT];
QuadraticInt_t qFeffCoeffBaseClock[POWER_SOURCE_COUNT];
QuadraticInt_t qFeffCoeffBoostClock[POWER_SOURCE_COUNT];
// SECTION: Sku Reserved
uint32_t Spare[61];
uint32_t Spare[43];
// Padding for MMHUB - do not modify this
uint32_t MmHubPadding[8];
@ -1288,8 +1334,11 @@ typedef struct {
uint32_t PostVoltageSetBacoDelay; // in microseconds. Amount of time FW will wait after power good is established or PSI0 command is issued
uint32_t BacoEntryDelay; // in milliseconds. Amount of time FW will wait to trigger BACO entry after receiving entry notification from OS
uint8_t FuseWritePowerMuxPresent;
uint8_t FuseWritePadding[3];
// SECTION: Board Reserved
uint32_t BoardSpare[64];
uint32_t BoardSpare[63];
// SECTION: Structure Padding
@ -1381,7 +1430,7 @@ typedef struct {
uint16_t AverageTotalBoardPower;
uint16_t AvgTemperature[TEMP_COUNT];
uint16_t TempPadding;
uint16_t AvgTemperatureFanIntake;
uint8_t PcieRate ;
uint8_t PcieWidth ;
@ -1550,5 +1599,7 @@ typedef struct {
#define IH_INTERRUPT_CONTEXT_ID_AUDIO_D0 0x5
#define IH_INTERRUPT_CONTEXT_ID_AUDIO_D3 0x6
#define IH_INTERRUPT_CONTEXT_ID_THERMAL_THROTTLING 0x7
#define IH_INTERRUPT_CONTEXT_ID_FAN_ABNORMAL 0x8
#define IH_INTERRUPT_CONTEXT_ID_FAN_RECOVERY 0x9
#endif

2
drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h
View file

@ -30,7 +30,7 @@
#define SMU13_DRIVER_IF_VERSION_ALDE 0x08
#define SMU13_DRIVER_IF_VERSION_SMU_V13_0_4 0x07
#define SMU13_DRIVER_IF_VERSION_SMU_V13_0_5 0x04
#define SMU13_DRIVER_IF_VERSION_SMU_V13_0_0 0x30
#define SMU13_DRIVER_IF_VERSION_SMU_V13_0_0_10 0x32
#define SMU13_DRIVER_IF_VERSION_SMU_V13_0_7 0x2C
#define SMU13_DRIVER_IF_VERSION_SMU_V13_0_10 0x1D

7
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
View file

@ -289,7 +289,8 @@ int smu_v13_0_check_fw_version(struct smu_context *smu)
smu->smc_driver_if_version = SMU13_DRIVER_IF_VERSION_ALDE;
break;
case IP_VERSION(13, 0, 0):
smu->smc_driver_if_version = SMU13_DRIVER_IF_VERSION_SMU_V13_0_0;
case IP_VERSION(13, 0, 10):
smu->smc_driver_if_version = SMU13_DRIVER_IF_VERSION_SMU_V13_0_0_10;
break;
case IP_VERSION(13, 0, 7):
smu->smc_driver_if_version = SMU13_DRIVER_IF_VERSION_SMU_V13_0_7;
@ -305,9 +306,6 @@ int smu_v13_0_check_fw_version(struct smu_context *smu)
case IP_VERSION(13, 0, 5):
smu->smc_driver_if_version = SMU13_DRIVER_IF_VERSION_SMU_V13_0_5;
break;
case IP_VERSION(13, 0, 10):
smu->smc_driver_if_version = SMU13_DRIVER_IF_VERSION_SMU_V13_0_10;
break;
default:
dev_err(adev->dev, "smu unsupported IP version: 0x%x.\n",
adev->ip_versions[MP1_HWIP][0]);
@ -842,6 +840,7 @@ int smu_v13_0_gfx_off_control(struct smu_context *smu, bool enable)
case IP_VERSION(13, 0, 5):
case IP_VERSION(13, 0, 7):
case IP_VERSION(13, 0, 8):
case IP_VERSION(13, 0, 10):
if (!(adev->pm.pp_feature & PP_GFXOFF_MASK))
return 0;
if (enable)

25
drivers/gpu/drm/bridge/parade-ps8640.c
View file

@ -105,6 +105,7 @@ struct ps8640 {
struct gpio_desc *gpio_powerdown;
struct device_link *link;
bool pre_enabled;
bool need_post_hpd_delay;
};
static const struct regmap_config ps8640_regmap_config[] = {
@ -173,14 +174,31 @@ static int _ps8640_wait_hpd_asserted(struct ps8640 *ps_bridge, unsigned long wai
{
struct regmap *map = ps_bridge->regmap[PAGE2_TOP_CNTL];
int status;
int ret;
/*
* Apparently something about the firmware in the chip signals that
* HPD goes high by reporting GPIO9 as high (even though HPD isn't
* actually connected to GPIO9).
*/
return regmap_read_poll_timeout(map, PAGE2_GPIO_H, status,
status & PS_GPIO9, wait_us / 10, wait_us);
ret = regmap_read_poll_timeout(map, PAGE2_GPIO_H, status,
status & PS_GPIO9, wait_us / 10, wait_us);
/*
* The first time we see HPD go high after a reset we delay an extra
* 50 ms. The best guess is that the MCU is doing "stuff" during this
* time (maybe talking to the panel) and we don't want to interrupt it.
*
* No locking is done around "need_post_hpd_delay". If we're here we
* know we're holding a PM Runtime reference and the only other place
* that touches this is PM Runtime resume.
*/
if (!ret && ps_bridge->need_post_hpd_delay) {
ps_bridge->need_post_hpd_delay = false;
msleep(50);
}
return ret;
}
static int ps8640_wait_hpd_asserted(struct drm_dp_aux *aux, unsigned long wait_us)
@ -381,6 +399,9 @@ static int __maybe_unused ps8640_resume(struct device *dev)
msleep(50);
gpiod_set_value(ps_bridge->gpio_reset, 0);
/* We just reset things, so we need a delay after the first HPD */
ps_bridge->need_post_hpd_delay = true;
/*
* Mystery 200 ms delay for the "MCU to be ready". It's unclear if
* this is truly necessary since the MCU will already signal that

2
drivers/gpu/drm/i915/display/intel_dp.c
View file

@ -3957,6 +3957,8 @@ intel_dp_handle_hdmi_link_status_change(struct intel_dp *intel_dp)
drm_dp_pcon_hdmi_frl_link_error_count(&intel_dp->aux, &intel_dp->attached_connector->base);
intel_dp->frl.is_trained = false;
/* Restart FRL training or fall back to TMDS mode */
intel_dp_check_frl_training(intel_dp);
}

4
drivers/gpu/drm/i915/gt/intel_workarounds.c
View file

@ -2293,11 +2293,11 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
}
if (IS_DG1_GRAPHICS_STEP(i915, STEP_A0, STEP_B0) ||
IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {
IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915) || IS_ALDERLAKE_P(i915)) {
/*
* Wa_1607030317:tgl
* Wa_1607186500:tgl
* Wa_1607297627:tgl,rkl,dg1[a0]
* Wa_1607297627:tgl,rkl,dg1[a0],adlp
*
* On TGL and RKL there are multiple entries for this WA in the
* BSpec; some indicate this is an A0-only WA, others indicate

11
drivers/gpu/drm/i915/intel_runtime_pm.c
View file

@ -591,8 +591,15 @@ void intel_runtime_pm_enable(struct intel_runtime_pm *rpm)
pm_runtime_use_autosuspend(kdev);
}
/* Enable by default */
pm_runtime_allow(kdev);
/*
* FIXME: Temp hammer to keep autosupend disable on lmem supported platforms.
* As per PCIe specs 5.3.1.4.1, all iomem read write request over a PCIe
* function will be unsupported in case PCIe endpoint function is in D3.
* Let's keep i915 autosuspend control 'on' till we fix all known issue
* with lmem access in D3.
*/
if (!IS_DGFX(i915))
pm_runtime_allow(kdev);
/*
* The core calls the driver load handler with an RPM reference held.

2
drivers/gpu/drm/msm/Kconfig
View file

@ -155,7 +155,7 @@ config DRM_MSM_HDMI
Compile in support for the HDMI output MSM DRM driver. It can
be a primary or a secondary display on device. Note that this is used
only for the direct HDMI output. If the device outputs HDMI data
throught some kind of DSI-to-HDMI bridge, this option can be disabled.
through some kind of DSI-to-HDMI bridge, this option can be disabled.
config DRM_MSM_HDMI_HDCP
bool "Enable HDMI HDCP support in MSM DRM driver"

14
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
View file

@ -91,7 +91,7 @@ struct a6xx_state_memobj {
static void *state_kcalloc(struct a6xx_gpu_state *a6xx_state, int nr, size_t objsize)
{
struct a6xx_state_memobj *obj =
kzalloc((nr * objsize) + sizeof(*obj), GFP_KERNEL);
kvzalloc((nr * objsize) + sizeof(*obj), GFP_KERNEL);
if (!obj)
return NULL;
@ -813,6 +813,9 @@ static struct msm_gpu_state_bo *a6xx_snapshot_gmu_bo(
{
struct msm_gpu_state_bo *snapshot;
if (!bo->size)
return NULL;
snapshot = state_kcalloc(a6xx_state, 1, sizeof(*snapshot));
if (!snapshot)
return NULL;
@ -1040,8 +1043,13 @@ static void a6xx_gpu_state_destroy(struct kref *kref)
if (a6xx_state->gmu_hfi)
kvfree(a6xx_state->gmu_hfi->data);
list_for_each_entry_safe(obj, tmp, &a6xx_state->objs, node)
kfree(obj);
if (a6xx_state->gmu_debug)
kvfree(a6xx_state->gmu_debug->data);
list_for_each_entry_safe(obj, tmp, &a6xx_state->objs, node) {
list_del(&obj->node);
kvfree(obj);
}
adreno_gpu_state_destroy(state);
kfree(a6xx_state);

10
drivers/gpu/drm/msm/adreno/adreno_device.c
View file

@ -679,6 +679,9 @@ static int adreno_system_suspend(struct device *dev)
struct msm_gpu *gpu = dev_to_gpu(dev);
int remaining, ret;
if (!gpu)
return 0;
suspend_scheduler(gpu);
remaining = wait_event_timeout(gpu->retire_event,
@ -700,7 +703,12 @@ out:
static int adreno_system_resume(struct device *dev)
{
resume_scheduler(dev_to_gpu(dev));
struct msm_gpu *gpu = dev_to_gpu(dev);
if (!gpu)
return 0;
resume_scheduler(gpu);
return pm_runtime_force_resume(dev);
}

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