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linux/arch/arm64/kernel
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David Brazdil d3e1086c64 KVM: arm64: Init MAIR/TCR_EL2 from params struct 
MAIR_EL2 and TCR_EL2 are currently initialized from their _EL1 values.
This will not work once KVM starts intercepting PSCI ON/SUSPEND SMCs
and initializing EL2 state before EL1 state.

Obtain the EL1 values during KVM init and store them in the init params
struct. The struct will stay in memory and can be used when booting new
cores.

Take the opportunity to move copying the T0SZ value from idmap_t0sz in
KVM init rather than in .hyp.idmap.text. This avoids the need for the
idmap_t0sz symbol alias.

Signed-off-by: David Brazdil <dbrazdil@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20201202184122.26046-12-dbrazdil@google.com
2020-12-04 10:08:33 +00:00
..
probes arm64: kprobes: Use BRK instead of single-step when executing instructions out-of-line 2020-11-03 14:03:38 +00:00
vdso arm64: lto: Strengthen READ_ONCE() to acquire when CONFIG_LTO=y 2020-11-09 21:49:34 +00:00
vdso32 arm64: lto: Strengthen READ_ONCE() to acquire when CONFIG_LTO=y 2020-11-09 21:49:34 +00:00
.gitignore
acpi.c arm64: permit ACPI core to map kernel memory used for table overrides 2020-09-30 22:27:51 +01:00
acpi_numa.c
acpi_parking_protocol.c
alternative.c arm64: alternatives: Remove READ_ONCE() usage during patch operation 2020-11-09 21:49:34 +00:00
armv8_deprecated.c arm64: uaccess: rename privileged uaccess routines 2020-12-02 19:49:10 +00:00
asm-offsets.c KVM: arm64: Init MAIR/TCR_EL2 from params struct 2020-12-04 10:08:33 +00:00
cacheinfo.c
cpu-reset.h
cpu-reset.S arm64/relocate_kernel: remove redundant code 2020-09-11 19:06:25 +01:00
cpu_errata.c arm64: Add workaround for Arm Cortex-A77 erratum 1508412 2020-10-29 12:56:01 +00:00
cpu_ops.c
cpufeature.c KVM: arm64: Add ARM64_KVM_PROTECTED_MODE CPU capability 2020-12-04 08:44:19 +00:00
cpuidle.c
cpuinfo.c arm64: avoid -Woverride-init warning 2020-10-28 13:38:36 +00:00
crash_core.c arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo 2020-07-02 17:56:49 +01:00
crash_dump.c
debug-monitors.c arm64: Improve diagnostics when trapping BRK with FAULT_BRK_IMM 2020-09-18 16:35:54 +01:00
efi-entry.S
efi-header.S arm64: efi: increase EFI PE/COFF header padding to 64 KB 2020-10-28 14:02:03 +00:00
efi-rt-wrapper.S
efi.c treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
entry-common.c arm64: ptrauth: Introduce Armv8.3 pointer authentication enhancements 2020-09-14 12:07:02 +01:00
entry-fpsimd.S arm64/sve: Implement a helper to load SVE registers from FPSIMD state 2020-09-21 18:06:33 +01:00
entry-ftrace.S
entry.S arm64: uaccess: remove set_fs() 2020-12-02 19:49:11 +00:00
fpsimd.c arm64: reject prctl(PR_PAC_RESET_KEYS) on compat tasks 2020-10-15 10:50:09 +01:00
ftrace.c arm64: ftrace: Change CONFIG_FTRACE_WITH_REGS to CONFIG_DYNAMIC_FTRACE_WITH_REGS 2020-06-08 15:44:59 +01:00
head.S arm64: Extract parts of el2_setup into a macro 2020-12-04 10:07:12 +00:00
hibernate-asm.S
hibernate.c Merge branch 'for-next/mte' into for-next/core 2020-10-02 12:16:11 +01:00
hw_breakpoint.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
hyp-stub.S
image-vars.h KVM: arm64: Init MAIR/TCR_EL2 from params struct 2020-12-04 10:08:33 +00:00
image.h arm64: get rid of TEXT_OFFSET 2020-09-07 15:00:52 +01:00
insn.c arm64: kprobe: disable probe of fault prone ptrauth instruction 2020-09-14 12:07:02 +01:00
io.c
irq.c arm64: Remove custom IRQ stat accounting 2020-09-17 16:37:28 +01:00
jump_label.c
kaslr.c arm64: kaslr: Use standard early random function 2020-08-07 09:10:11 -07:00
kexec_image.c arm64: kexec_file: try more regions if loading segments fails 2020-11-05 21:48:05 +00:00
kgdb.c arm64: kgdb: Fix single-step exception handling oops 2020-07-08 22:18:54 +01:00
kuser32.S
machine_kexec.c
machine_kexec_file.c arm64: kexec_file: try more regions if loading segments fails 2020-11-05 21:48:05 +00:00
Makefile Merge branch 'for-next/mte' into for-next/core 2020-10-02 12:16:11 +01:00
module-plts.c arm64/module: set trampoline section flags regardless of CONFIG_DYNAMIC_FTRACE 2020-09-02 08:35:33 +01:00
module.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
mte.c arm64: mte: Enable swap of tagged pages 2020-09-04 12:46:07 +01:00
paravirt.c arm64: paravirt: Initialize steal time when cpu is online 2020-09-17 18:12:18 +01:00
pci.c
perf_callchain.c arm64: stacktrace: Make stack walk callback consistent with generic code 2020-09-18 14:24:16 +01:00
perf_event.c arm64: perf: Defer irq_work to IPI_IRQ_WORK 2020-09-28 19:00:17 +01:00
perf_regs.c arm64: fix some spelling mistakes in the comments by codespell 2020-09-07 14:18:50 +01:00
pointer_auth.c arm64: reject prctl(PR_PAC_RESET_KEYS) on compat tasks 2020-10-15 10:50:09 +01:00
process.c arm64: uaccess: remove set_fs() 2020-12-02 19:49:11 +00:00
proton-pack.c arm64: add C wrappers for SET_PSTATE_*() 2020-12-02 19:44:02 +00:00
psci.c
ptrace.c arm64: mte: ptrace: Add NT_ARM_TAGGED_ADDR_CTRL regset 2020-09-04 12:46:07 +01:00
reloc_test_core.c
reloc_test_syms.S
relocate_kernel.S arm64/relocate_kernel: remove redundant code 2020-09-11 19:06:25 +01:00
return_address.c arm64: stacktrace: Make stack walk callback consistent with generic code 2020-09-18 14:24:16 +01:00
scs.c
sdei.c arm64: uaccess: remove set_fs() 2020-12-02 19:49:11 +00:00
setup.c arm64: Make cpu_logical_map() take unsigned int 2020-12-04 08:44:24 +00:00
signal.c arm64: uaccess: remove addr_limit_user_check() 2020-12-02 19:49:11 +00:00
signal32.c arm64: compat: Always use sigpage for sigreturn trampoline 2020-06-23 14:56:24 +01:00
sigreturn32.S
sleep.S arm64: head.S: rename el2_setup -> init_kernel_el 2020-12-02 19:44:03 +00:00
smccc-call.S arm64/kernel: Remove needless Call Frame Information annotations 2020-09-01 09:50:36 +02:00
smp.c arm64/smp: Move rcu_cpu_starting() earlier 2020-10-30 08:13:18 +00:00
smp_spin_table.c treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
stacktrace.c arm64: Move console stack display code to stacktrace.c 2020-09-21 19:43:03 +01:00
suspend.c arm64: uaccess: remove set_fs() 2020-12-02 19:49:11 +00:00
sys.c
sys32.c
sys_compat.c
syscall.c arm64: mte: Handle synchronous and asynchronous tag check faults 2020-09-04 12:46:06 +01:00
time.c
topology.c Power management updates for 5.10-rc1 2020-10-14 10:45:41 -07:00
trace-events-emulation.h
traps.c Merge branches 'for-next/acpi', 'for-next/boot', 'for-next/bpf', 'for-next/cpuinfo', 'for-next/fpsimd', 'for-next/misc', 'for-next/mm', 'for-next/pci', 'for-next/perf', 'for-next/ptrauth', 'for-next/sdei', 'for-next/selftests', 'for-next/stacktrace', 'for-next/svm', 'for-next/topology', 'for-next/tpyos' and 'for-next/vdso' into for-next/core 2020-10-02 12:01:41 +01:00
vdso.c arm64: vdso: Fix unusual formatting in *setup_additional_pages() 2020-09-01 13:37:57 +01:00
vmlinux.lds.S arm64: lto: Strengthen READ_ONCE() to acquire when CONFIG_LTO=y 2020-11-09 21:49:34 +00:00