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linux/arch/powerpc/kernel
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Andreas Gruenbacher bb523b406c gup: Turn fault_in_pages_{readable,writeable} into fault_in_{readable,writeable} 
Turn fault_in_pages_{readable,writeable} into versions that return the
number of bytes not faulted in, similar to copy_to_user, instead of
returning a non-zero value when any of the requested pages couldn't be
faulted in.  This supports the existing users that require all pages to
be faulted in as well as new users that are happy if any pages can be
faulted in.

Rename the functions to fault_in_{readable,writeable} to make sure
this change doesn't silently break things.

Neither of these functions is entirely trivial and it doesn't seem
useful to inline them, so move them to mm/gup.c.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
2021-10-18 16:33:03 +02:00
..
ptrace powerpc: Add dear as a synonym for pt_regs.dar register 2021-08-26 21:21:07 +10:00
syscalls compat: remove some compat entry points 2021-09-08 15:32:35 -07:00
trace powerpc: Don't use 'struct ppc_inst' to reference instruction location 2021-06-17 00:09:00 +10:00
vdso32 powerpc updates for 5.13 2021-04-30 12:22:28 -07:00
vdso64 powerpc/vdso: Don't use r30 to avoid breaking Go lang 2021-07-29 23:13:12 +10:00
.gitignore
align.c powerpc: Rename probe_kernel_read_inst() 2021-04-21 22:52:33 +10:00
asm-offsets.c Merge branch 'fixes' into next 2021-09-03 22:54:12 +10:00
audit.c
btext.c
cacheinfo.c powerpc/smp: Use existing L2 cache_map cpumask to find L3 cache siblings 2021-08-04 10:53:39 +10:00
cacheinfo.h
compat_audit.c
cpu_setup_6xx.S
cpu_setup_44x.S
cpu_setup_fsl_booke.S
cpu_setup_pa6t.S
cpu_setup_power.c
cpu_setup_ppc970.S
cputable.c arch: powerpc: Stop building and using oprofile 2021-01-29 10:05:51 +05:30
crash_dump.c powerpc: Don't use 'struct ppc_inst' to reference instruction location 2021-06-17 00:09:00 +10:00
dawr.c powerpc: rename powerpc_debugfs_root to arch_debugfs_dir 2021-08-13 22:04:26 +10:00
dbell.c powerpc: handle irq_enter/irq_exit in interrupt handler wrappers 2021-02-09 00:10:49 +11:00
dma-iommu.c powerpc/iommu: Report the correct most efficient DMA mask for PCI devices 2021-09-30 17:10:17 +10:00
dma-mask.c
dma-swiotlb.c
dt_cpu_ftrs.c arch: powerpc: Stop building and using oprofile 2021-01-29 10:05:51 +05:30
early_32.c
eeh.c powerpc: rename powerpc_debugfs_root to arch_debugfs_dir 2021-08-13 22:04:26 +10:00
eeh_cache.c powerpc: rename powerpc_debugfs_root to arch_debugfs_dir 2021-08-13 22:04:26 +10:00
eeh_driver.c
eeh_event.c
eeh_pe.c
eeh_sysfs.c
entry_32.S powerpc/32: indirect function call use bctrl rather than blrl in ret_from_kernel_thread 2021-08-25 13:35:47 +10:00
entry_64.S powerpc/bug: Provide better flexibility to WARN_ON/__WARN_FLAGS() with asm goto 2021-08-15 13:49:24 +10:00
epapr_hcalls.S
epapr_paravirt.c powerpc: Don't use 'struct ppc_inst' to reference instruction location 2021-06-17 00:09:00 +10:00
exceptions-64e.S powerpc/64e: Get dear offset with _DEAR macro 2021-08-26 21:21:07 +10:00
exceptions-64s.S powerpc/64s: Fix unrecoverable MCE calling async handler from NMI 2021-10-07 19:54:55 +11:00
fadump.c powerpc: rename powerpc_debugfs_root to arch_debugfs_dir 2021-08-13 22:04:26 +10:00
firmware.c powerpc: Fix is_kvm_guest() / kvm_para_available() 2021-06-25 14:47:19 +10:00
fpu.S powerpc/32: Remove unneccessary calculations in load_up_{fpu/altivec} 2021-08-18 23:49:55 +10:00
fsl_booke_entry_mapping.S powerpc/booke: Avoid link stack corruption in several places 2021-08-25 13:35:47 +10:00
head_8xx.S powerpc: Define swapper_pg_dir[] in C 2021-06-17 00:09:10 +10:00
head_32.h powerpc/32: Reduce code duplication of system call entry 2021-06-25 00:07:10 +10:00
head_40x.S powerpc: Define swapper_pg_dir[] in C 2021-06-17 00:09:10 +10:00
head_44x.S powerpc/booke: Avoid link stack corruption in several places 2021-08-25 13:35:47 +10:00
head_64.S powerpc/kexec: blacklist functions called in real mode for kprobe 2021-07-26 20:38:51 +10:00
head_book3s_32.S powerpc/32s: Fix napping restore in data storage interrupt (DSI) 2021-08-07 08:53:59 +10:00
head_booke.h powerpc/32: Fix critical and debug interrupts on BOOKE 2021-08-07 08:53:59 +10:00
head_fsl_booke.S powerpc updates for 5.15 2021-09-03 11:22:50 -07:00
hw_breakpoint.c powerpc: rename powerpc_debugfs_root to arch_debugfs_dir 2021-08-13 22:04:26 +10:00
hw_breakpoint_constraints.c powerpc/uaccess: Remove __get/put_user_inatomic() 2021-04-03 21:21:41 +11:00
idle.c
idle_6xx.S powerpc/32: Return directly from power_save_ppc32_restore() 2021-03-29 13:22:10 +11:00
idle_book3e.S
idle_book3s.S powerpc/64s: power4 nap fixup in C 2021-04-08 21:17:45 +10:00
idle_e500.S powerpc/32: Return directly from power_save_ppc32_restore() 2021-03-29 13:22:10 +11:00
ima_arch.c
interrupt.c powerpc/64s: system call rfscv workaround for TM bugs 2021-09-13 22:34:11 +10:00
interrupt_64.S powerpc/64s: system call scv tabort fix for corrupt irq soft-mask state 2021-09-13 22:34:11 +10:00
io-workarounds.c powerpc: Fix reverse map real-mode address lookup with huge vmalloc 2021-05-28 22:54:27 +10:00
io.c
iomap.c
iommu.c powerpc updates for 5.15 2021-09-03 11:22:50 -07:00
irq.c powerpc/64: warn if local irqs are enabled in NMI or hardirq context 2021-10-07 19:54:55 +11:00
isa-bridge.c mm/vmalloc: remove unmap_kernel_range 2021-04-30 11:20:40 -07:00
jump_label.c powerpc: Don't use 'struct ppc_inst' to reference instruction location 2021-06-17 00:09:00 +10:00
kdebugfs.c powerpc: rename powerpc_debugfs_root to arch_debugfs_dir 2021-08-13 22:04:26 +10:00
kgdb.c powerpc/64s: avoid reloading (H)SRR registers if they are still valid 2021-06-25 00:06:55 +10:00
kprobes-ftrace.c powerpc/64s: avoid reloading (H)SRR registers if they are still valid 2021-06-25 00:06:55 +10:00
kprobes.c powerpc/kprobes: Fix kprobe Oops happens in booke 2021-08-09 16:31:54 +10:00
kvm.c gup: Turn fault_in_pages_{readable,writeable} into fault_in_{readable,writeable} 2021-10-18 16:33:03 +02:00
kvm_emul.S
l2cr_6xx.S
legacy_serial.c powerpc/legacy_serial: Fix UBSAN: array-index-out-of-bounds 2021-05-12 11:07:39 +10:00
Makefile powerpc: rename powerpc_debugfs_root to arch_debugfs_dir 2021-08-13 22:04:26 +10:00
mce.c powerpc/mce: Fix access error in mce handler 2021-09-13 22:34:12 +10:00
mce_power.c powerpc/powernv: Fix machine check reporting of async store errors 2021-06-21 21:13:19 +10:00
misc.S powerpc: Avoid link stack corruption in misc asm functions 2021-08-25 13:35:47 +10:00
misc_32.S powerpc: Avoid link stack corruption in misc asm functions 2021-08-25 13:35:47 +10:00
misc_64.S powerpc: Avoid link stack corruption in misc asm functions 2021-08-25 13:35:47 +10:00
module.c powerpc/modules: Make module_alloc() Strict Module RWX aware 2021-06-21 21:13:20 +10:00
module_32.c powerpc/modules: Use PPC_RAW_xx() macros 2021-06-16 00:16:48 +10:00
module_64.c powerpc/modules: Use PPC_RAW_xx() macros 2021-06-16 00:16:48 +10:00
msi.c
note.S
nvram_64.c printk: introduce a kmsg_dump iterator 2021-03-08 11:43:27 +01:00
of_platform.c
optprobes.c powerpc/kprobes: Fix Oops by passing ppc_inst as a pointer to emulate_step() on ppc32 2021-06-25 14:46:51 +10:00
optprobes_head.S powerpc: Enable OPTPROBES on PPC32 2021-04-21 22:52:32 +10:00
paca.c powerpc/paca: Remove mm_ctx_id and mm_ctx_slb_addr_limit 2021-05-17 15:27:15 +10:00
pci-common.c powerpc/pseries/pci: Add MSI domains 2021-08-10 23:14:57 +10:00
pci-hotplug.c
pci_32.c
pci_64.c mm/vmalloc: remove unmap_kernel_range 2021-04-30 11:20:40 -07:00
pci_dn.c powerpc/pci: Move PHB discovery for PCI_DN using platforms 2021-02-09 00:01:05 +11:00
pci_of_scan.c
pmc.c
ppc32.h
ppc_save_regs.S
proc_powerpc.c
process.c powerpc: Add dear as a synonym for pt_regs.dar register 2021-08-26 21:21:07 +10:00
prom.c Kbuild updates for v5.15 2021-09-03 15:33:47 -07:00
prom_init.c Kbuild updates for v5.15 2021-09-03 15:33:47 -07:00
prom_init_check.sh
prom_parse.c
reloc_32.S powerpc: Avoid link stack corruption in misc asm functions 2021-08-25 13:35:47 +10:00
reloc_64.S
rtas-proc.c powerpc/rtas: rename RTAS_RMOBUF_MAX to RTAS_USER_REGION_SIZE 2021-04-14 23:04:16 +10:00
rtas-rtc.c powerpc/rtas-rtc: remove unused constant 2021-06-25 14:47:20 +10:00
rtas.c isystem: ship and use stdarg.h 2021-08-19 09:02:55 +09:00
rtas_flash.c
rtas_pci.c
rtasd.c powerpc: Replace deprecated CPU-hotplug functions. 2021-08-10 23:14:56 +10:00
secure_boot.c
security.c powerpc/security: Add a helper to query stf_barrier type 2021-10-07 19:52:58 +11:00
secvar-ops.c
secvar-sysfs.c
setup-common.c powerpc: rename powerpc_debugfs_root to arch_debugfs_dir 2021-08-13 22:04:26 +10:00
setup.h powerpc: remove unneeded semicolons 2021-02-09 00:10:50 +11:00
setup_32.c powerpc: Don't use 'struct ppc_inst' to reference instruction location 2021-06-17 00:09:00 +10:00
setup_64.c powerpc: rename powerpc_debugfs_root to arch_debugfs_dir 2021-08-13 22:04:26 +10:00
signal.c entry: rseq: Call rseq_handle_notify_resume() in tracehook_notify_resume() 2021-09-22 10:24:01 -04:00
signal.h powerpc/signal: Fix possible build failure with unsafe_copy_fpr_{to/from}_user 2021-05-12 11:07:39 +10:00
signal_32.c gup: Turn fault_in_pages_{readable,writeable} into fault_in_{readable,writeable} 2021-10-18 16:33:03 +02:00
signal_64.c gup: Turn fault_in_pages_{readable,writeable} into fault_in_{readable,writeable} 2021-10-18 16:33:03 +02:00
smp-tbsync.c
smp.c powerpc/numa: Update cpu_cpu_map on CPU online/offline 2021-08-27 00:56:54 +10:00
stacktrace.c powerpc/stacktrace: Include linux/delay.h 2021-08-03 22:33:37 +10:00
suspend.c
swsusp.c
swsusp_32.S
swsusp_64.c
swsusp_asm64.S
swsusp_booke.S
sys_ppc32.c powerpc/compat_sys: swap hi/lo parts of 64-bit syscall args in LE mode 2021-02-11 23:35:07 +11:00
syscalls.c powerpc/syscalls: Simplify do_mmap2() 2021-08-25 13:35:48 +10:00
sysfs.c powerpc/smp: Fix OOPS in topology_init() 2021-08-07 08:53:59 +10:00
systbl.S powerpc/syscalls: switch to generic syscalltbl.sh 2021-04-14 23:04:16 +10:00
systbl_chk.sh
tau_6xx.c powerpc/tau: Add 'static' storage qualifier to 'tau_work' definition 2021-08-20 17:00:53 +10:00
time.c Merge branch 'fixes' into next 2021-09-03 22:54:12 +10:00
tm.S
traps.c powerpc/64s: Fix unrecoverable MCE calling async handler from NMI 2021-10-07 19:54:55 +11:00
ucall.S
udbg.c isystem: ship and use stdarg.h 2021-08-19 09:02:55 +09:00
udbg_16550.c powerpc/microwatt: Use standard 16550 UART for console 2021-06-21 21:16:31 +10:00
uprobes.c powerpc/64s: avoid reloading (H)SRR registers if they are still valid 2021-06-25 00:06:55 +10:00
vdso.c powerpc/vdso: Add support for time namespaces 2021-04-14 23:04:44 +10:00
vdso32_wrapper.S powerpc/vdso: fix unnecessary rebuilds of vgettimeofday.o 2021-01-30 22:23:42 +11:00
vdso64_wrapper.S powerpc/vdso: fix unnecessary rebuilds of vgettimeofday.o 2021-01-30 22:23:42 +11:00
vecemu.c
vector.S powerpc/32: Remove unneccessary calculations in load_up_{fpu/altivec} 2021-08-18 23:49:55 +10:00
vmlinux.lds.S powerpc/64s: add a table of implicit soft-masked addresses 2021-06-30 22:21:20 +10:00
watchdog.c Merge branch 'rework/printk_safe-removal' into for-linus 2021-08-30 16:36:10 +02:00