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linux/arch/arm64/kernel
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Kristina Martsenko b0c756fe99 arm64: cpufeature: detect FEAT_HCX 
Detect if the system has the new HCRX_EL2 register added in ARMv8.7/9.2,
so that subsequent patches can check for its presence.

KVM currently relies on the register being present on all CPUs (or
none), so the kernel will panic if that is not the case. Fortunately no
such systems currently exist, but this can be revisited if they appear.
Note that the kernel will not panic if CONFIG_KVM is disabled.

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Kristina Martsenko <kristina.martsenko@arm.com>
Link: https://lore.kernel.org/r/20230509142235.3284028-3-kristina.martsenko@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2023-06-05 17:05:26 +01:00
..
pi arm64: unwind: add asynchronous unwind tables to kernel and modules 2022-11-09 18:06:35 +00:00
probes arm64: kprobes: Drop ID map text from kprobes blacklist 2023-02-07 18:25:10 +00:00
vdso vdso: Improve cmd_vdso_check to check all dynamic relocations 2023-03-21 21:15:34 +01:00
vdso32 vdso: Improve cmd_vdso_check to check all dynamic relocations 2023-03-21 21:15:34 +01:00
.gitignore
acpi.c arm64: acpi: Fix possible memory leak of ffh_ctxt 2023-02-24 14:21:49 +00:00
acpi_numa.c arm64: numa: Don't check node against MAX_NUMNODES 2022-07-19 19:10:28 +01:00
acpi_parking_protocol.c treewide: Drop function_nocfi 2022-09-26 10:13:14 -07:00
alternative.c arm64: alternatives: add __init/__initconst to some functions/variables 2022-12-05 13:47:06 +00:00
armv8_deprecated.c arm64: armv8_deprecated: remove unnecessary (void*) conversions 2023-03-28 15:43:44 +01:00
asm-offsets.c arm64: ftrace: Add direct call support 2023-04-11 18:06:39 +01:00
cacheinfo.c cacheinfo: Add arm64 early level initializer implementation 2023-04-13 09:32:33 +01:00
compat_alignment.c arm64: compat: Work around uninitialized variable warning 2023-04-05 17:51:47 +01:00
cpu-reset.S arm64: kernel: remove SHF_WRITE|SHF_EXECINSTR from .idmap.text 2023-05-02 12:42:22 +01:00
cpu_errata.c arm64: errata: Workaround possible Cortex-A715 [ESR|FAR]_ELx corruption 2023-01-06 17:14:55 +00:00
cpu_ops.c
cpufeature.c arm64: cpufeature: detect FEAT_HCX 2023-06-05 17:05:26 +01:00
cpuidle.c cpuidle, arm64: Fix the ARM64 cpuidle logic 2023-01-18 12:27:17 +01:00
cpuinfo.c Merge branches 'for-next/sysreg', 'for-next/sme', 'for-next/kselftest', 'for-next/misc', 'for-next/sme2', 'for-next/tpidr2', 'for-next/scs', 'for-next/compat-hwcap', 'for-next/ftrace', 'for-next/efi-boot-mmu-on', 'for-next/ptrauth' and 'for-next/pseudo-nmi', remote-tracking branch 'arm64/for-next/perf' into for-next/core 2023-02-10 18:51:49 +00:00
crash_core.c arm64: move PAC masks to <asm/pointer_auth.h> 2023-04-13 12:27:11 +01:00
crash_dump.c
debug-monitors.c arm64: kgdb: Set PSTATE.SS to 1 to re-enable single-step 2023-04-14 13:39:47 +01:00
efi-header.S arm64: efi: Enable BTI codegen and add PE/COFF annotation 2023-04-20 15:43:45 +02:00
efi-rt-wrapper.S arm64: efi: Avoid workqueue to check whether EFI runtime is live 2023-01-16 15:27:31 +01:00
efi.c A healthy mix of EFI contributions this time: 2023-02-23 14:41:48 -08:00
elfcore.c arm64: mte: Avoid the racy walk of the vma list during core dump 2023-01-05 15:12:12 +00:00
entry-common.c arm64/cpu: Mark cpu_park_loop() and friends __noreturn 2023-04-14 17:31:24 +02:00
entry-fpsimd.S arm64/sme: Implement context switching for ZT0 2023-01-20 12:23:06 +00:00
entry-ftrace.S arm64: ftrace: Add direct call support 2023-04-11 18:06:39 +01:00
entry.S Merge branches 'for-next/sysreg', 'for-next/sme', 'for-next/kselftest', 'for-next/misc', 'for-next/sme2', 'for-next/tpidr2', 'for-next/scs', 'for-next/compat-hwcap', 'for-next/ftrace', 'for-next/efi-boot-mmu-on', 'for-next/ptrauth' and 'for-next/pseudo-nmi', remote-tracking branch 'arm64/for-next/perf' into for-next/core 2023-02-10 18:51:49 +00:00
fpsimd.c arm64/sme: Fix some comments of ARM SME 2023-04-12 09:41:48 +01:00
ftrace.c arm64: ftrace: Simplify get_ftrace_plt 2023-04-11 18:06:39 +01:00
head.S arm64: Fix label placement in record_mmu_state() 2023-04-26 09:01:04 +01:00
hibernate-asm.S
hibernate.c arm64: mte: Fix/clarify the PG_mte_tagged semantics 2022-11-29 09:26:07 +00:00
hw_breakpoint.c
hyp-stub.S arm64/sme: Fix __finalise_el2 SMEver check 2023-02-06 16:34:29 +00:00
idle.c arch/idle: Change arch_cpu_idle() behavior: always exit with IRQs disabled 2023-01-13 11:48:15 +01:00
idreg-override.c Merge branch 'for-next/sysreg' into for-next/core 2023-04-20 18:03:07 +01:00
image-vars.h efi/zboot: arm64: Inject kernel code size symbol into the zboot payload 2023-04-26 18:01:41 +02:00
image.h
io.c
irq.c Merge branch 'for-next/stacks' into for-next/core 2022-12-06 11:26:40 +00:00
jump_label.c jump_label: make initial NOP patching the special case 2022-06-24 09:48:55 +02:00
kaslr.c arm64: kaslr: don't pretend KASLR is enabled if offset < MIN_KIMG_ALIGN 2023-02-28 11:21:04 +00:00
kexec_image.c arm64: kexec_file: use more system keyrings to verify kernel image signature 2022-07-15 12:21:16 -04:00
kgdb.c arm64: kgdb: Set PSTATE.SS to 1 to re-enable single-step 2023-04-14 13:39:47 +01:00
kuser32.S arm64: compat: Move kuser32.S to .rodata section 2022-06-23 16:01:42 +01:00
machine_kexec.c Merge branch 'for-next/misc' into for-next/core 2023-04-20 11:22:09 +01:00
machine_kexec_file.c arm64/kexec: Fix missing extra range for crashkres_low. 2022-09-01 11:50:00 +01:00
Makefile arm64: perf: Move PMUv3 driver to drivers/perf 2023-03-27 14:01:18 +01:00
module-plts.c module: replace module_layout with module_memory 2023-03-09 12:55:15 -08:00
module.c Merge branch 'for-next/ftrace' into for-next/core 2022-12-06 11:07:39 +00:00
mte.c arm64: mte: Do not set PG_mte_tagged if tags were not initialized 2023-05-16 14:59:16 +01:00
paravirt.c arm64: paravirt: remove conduit check in has_pv_steal_clock 2022-11-09 18:11:56 +00:00
patch-scs.c arm64: Apply dynamic shadow call stack patching in two passes 2023-01-26 17:54:15 +00:00
patching.c arm64: patching: Add aarch64_insn_write_literal_u64() 2023-01-24 11:49:43 +00:00
pci.c
perf_callchain.c arm64: use XPACLRI to strip PAC 2023-04-13 12:27:11 +01:00
perf_regs.c perf: arm64: Add SVE vector granule register to user regs 2022-09-22 15:06:02 +01:00
pointer_auth.c
process.c Objtool changes for v6.4: 2023-04-28 14:02:54 -07:00
proton-pack.c arm64: delete dead code in this_cpu_set_vectors() 2023-04-20 10:44:54 +01:00
psci.c treewide: Drop function_nocfi 2022-09-26 10:13:14 -07:00
ptrace.c arm64 updates for 6.3: 2023-02-21 15:27:48 -08:00
reloc_test_core.c ARM64: reloc_test: add __init/__exit annotations to module init/exit funcs 2022-09-29 18:04:25 +01:00
reloc_test_syms.S
relocate_kernel.S
return_address.c
sdei.c arm64: implement dynamic shadow call stack for Clang 2022-11-09 18:06:35 +00:00
setup.c arm64: head: record the MMU state at primary entry 2023-01-24 11:51:07 +00:00
signal.c arm64/signal: Alloc tpidr2 sigframe after checking system_supports_tpidr2() 2023-04-12 09:41:48 +01:00
signal32.c
sigreturn32.S arm64: compat: Move sigreturn32.S to .rodata section 2022-07-01 12:05:45 +01:00
sleep.S arm64: kernel: remove SHF_WRITE|SHF_EXECINSTR from .idmap.text 2023-05-02 12:42:22 +01:00
smccc-call.S
smp.c SMP cross-CPU function-call updates for v6.4: 2023-04-28 15:03:43 -07:00
smp_spin_table.c treewide: Drop function_nocfi 2022-09-26 10:13:14 -07:00
stacktrace.c arm64: use XPACLRI to strip PAC 2023-04-13 12:27:11 +01:00
suspend.c cpuidle, arm64: Fix the ARM64 cpuidle logic 2023-01-18 12:27:17 +01:00
sys.c
sys32.c
sys_compat.c
syscall.c arm64/sme: Optimise SME exit on syscall entry 2023-01-12 17:09:21 +00:00
time.c
topology.c RISC-V Patches for the 6.1 Merge Window, Part 1 2022-10-09 13:24:01 -07:00
trace-events-emulation.h
traps.c arm64/cpu: Mark cpu_park_loop() and friends __noreturn 2023-04-14 17:31:24 +02:00
vdso-wrap.S
vdso.c arm64: vdso: Pass (void *) to virt_to_page() 2023-05-16 14:53:36 +01:00
vdso32-wrap.S
vmlinux.lds.S arm64: lds: move .got section out of .text 2023-05-02 13:12:45 +01:00