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linux/arch/arm64/kernel
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Jeremy Linton e5ce5e7267 arm64: Provide a command line to disable spectre_v2 mitigation 
There are various reasons, such as benchmarking, to disable spectrev2
mitigation on a machine. Provide a command-line option to do so.

Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Will Deacon <will.deacon@arm.com>
2019-04-26 16:26:42 +01:00
..
probes
arm64: kprobes: Use arch_populate_kprobe_blacklist()
2019-03-19 12:47:44 +00:00
vdso
arm64: Add build salt to the vDSO
2018-07-18 01:18:05 +09:00
.gitignore
…
acpi_numa.c
mm: remove include/linux/bootmem.h
2018-10-31 08:54:16 -07:00
acpi_parking_protocol.c
arm64: fix endianness annotation in acpi_parking_protocol.c
2017-06-29 11:33:15 +01:00
acpi.c
arm64: KVM/mm: Move SEA handling behind a single 'claim' interface
2019-02-07 23:10:45 +01:00
alternative.c
arm64: alternative: Apply alternatives early in boot process
2019-02-06 10:05:20 +00:00
armv8_deprecated.c
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
asm-offsets.c
arm64: Make PMR part of task context
2019-02-06 10:05:18 +00:00
cacheinfo.c
arm64: Add support for ACPI based firmware tables
2018-05-17 17:28:09 +01:00
cpu_errata.c
arm64: Provide a command line to disable spectre_v2 mitigation
2019-04-26 16:26:42 +01:00
cpu_ops.c
arm64: cpu_ops: Add missing 'const' qualifiers
2017-12-01 13:05:08 +00:00
cpu-reset.h
arm64: kexec: always reset to EL2 if present
2018-07-04 18:34:24 +01:00
cpu-reset.S
arm64: kexec_file: invoke the kernel without purgatory
2018-12-06 14:38:53 +00:00
cpufeature.c
arm64: kpti: Whitelist HiSilicon Taishan v110 CPUs
2019-03-19 14:55:10 +00:00
cpuidle.c
ARM64 / cpuidle: Use new cpuidle macro for entering retention state
2018-01-02 13:50:34 +00:00
cpuinfo.c
arm64: add basic pointer authentication support
2018-12-13 16:42:46 +00:00
crash_core.c
arm64: kernel: arch_crash_save_vmcoreinfo() should depend on CONFIG_CRASH_CORE
2018-09-11 11:08:49 +01:00
crash_dump.c
arm64: kdump: fix small typo
2018-11-02 17:24:17 +00:00
debug-monitors.c
signal/arm64: Add and use arm64_force_sig_fault where appropriate
2018-09-27 21:54:43 +02:00
efi-entry.S
arm64: Add software workaround for Falkor erratum 1041
2018-02-06 22:53:13 +00:00
efi-header.S
arm64: efi: split Image code and data into separate PE/COFF sections
2017-04-04 17:50:59 +01:00
efi-rt-wrapper.S
efi/arm64: Check whether x18 is preserved by runtime services calls
2018-03-09 08:58:22 +01:00
efi.c
efi/arm64: Check whether x18 is preserved by runtime services calls
2018-03-09 08:58:22 +01:00
entry-fpsimd.S
arm64/sve: Write ZCR_EL1 on context switch only if changed
2018-05-17 18:19:53 +01:00
entry-ftrace.S
arm64: frace: use asm EXPORT_SYMBOL()
2018-12-10 11:50:12 +00:00
entry.S
arm64: Rename get_thread_info()
2019-02-26 16:57:59 +00:00
fpsimd.c
signal/arm64: Use send_sig_fault where appropriate
2018-09-27 21:55:23 +02:00
ftrace.c
Tracing changes for v4.21:
2018-12-31 11:46:59 -08:00
head.S
arm64: Relax GIC version check during early boot
2019-02-20 14:05:37 +00:00
hibernate-asm.S
arm64: mm: Offset TTBR1 to allow 52-bit PTRS_PER_PGD
2018-12-10 18:42:17 +00:00
hibernate.c
arm64: hibernate: Clean the __hyp_text to PoC after resume
2019-02-01 14:10:02 +00:00
hw_breakpoint.c
perf/arch/arm64: Implement hw_breakpoint_arch_parse()
2018-06-26 09:07:56 +02:00
hyp-stub.S
arm64: hyp-stub: Forbid kprobing of the hyp-stub
2019-02-01 14:10:01 +00:00
image.h
Merge branch 'for-next/kexec' into aarch64/for-next/core
2018-12-10 18:57:17 +00:00
insn.c
arm64/insn: add support for emitting ADR/ADRP instructions
2018-11-27 18:47:33 +00:00
io.c
arm64: Avoid aligning normal memory pointers in __memcpy_{to,from}io
2017-10-24 16:23:07 +01:00
irq.c
arm64: Fix HCR.TGE status for NMI contexts
2019-02-06 10:05:16 +00:00
jump_label.c
jump_label: move 'asm goto' support test to Kconfig
2019-01-06 09:46:51 +09:00
kaslr.c
arm64: kaslr: ensure randomized quantities are clean also when kaslr is off
2019-02-01 14:07:23 +00:00
kexec_image.c
arm64: kexec_file: forbid kdump via kexec_file_load()
2018-12-07 15:28:21 +00:00
kgdb.c
arm64: debug: Ensure debug handlers check triggering exception level
2019-03-01 16:23:38 +00:00
kuser32.S
…
machine_kexec_file.c
arm64: kexec_file: handle empty command-line
2019-02-05 09:34:49 +00:00
machine_kexec.c
arm64: kdump: no need to mark crashkernel pages manually PG_reserved
2019-03-05 21:07:19 -08:00
Makefile
arm64: replace arm64-obj-* in Makefile with obj-*
2019-01-04 10:09:21 +00:00
module-plts.c
arm64/module: switch to ADRP/ADD sequences for PLT entries
2018-11-27 19:00:45 +00:00
module.c
arm64/module: switch to ADRP/ADD sequences for PLT entries
2018-11-27 19:00:45 +00:00
module.lds
arm64: ftrace: emit ftrace-mod.o contents through code
2017-12-01 13:04:59 +00:00
paravirt.c
x86/paravirt: Use a single ops structure
2018-09-03 16:50:35 +02:00
pci.c
arm64: PCI: Remove node-local allocations when initialising host controller
2018-09-17 16:33:23 -05:00
perf_callchain.c
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
perf_event.c
arm64: perf: remove misleading comment
2019-01-19 22:57:38 +00:00
perf_regs.c
compat: Move compat_timespec/ timeval to compat_time.h
2018-04-19 13:29:54 +02:00
pointer_auth.c
arm64: ptr auth: Move per-thread keys from thread_info to thread_struct
2018-12-13 16:42:47 +00:00
process.c
arm64: Unmask PMR before going idle
2019-02-06 10:05:18 +00:00
psci.c
arm64: remove unused asm/compiler.h header file
2018-10-01 11:57:04 +01:00
ptrace.c
arm64 updates for 5.1:
2019-03-10 10:17:23 -07:00
reloc_test_core.c
arm64: fix undefined reference to 'printk'
2018-03-19 18:14:25 +00:00
reloc_test_syms.S
arm64: fix undefined reference to 'printk'
2018-03-19 18:14:25 +00:00
relocate_kernel.S
arm64: kexec_file: invoke the kernel without purgatory
2018-12-06 14:38:53 +00:00
return_address.c
arm64: Use ftrace_graph_get_ret_stack() instead of curr_ret_stack
2018-12-22 08:21:02 -05:00
sdei.c
arm64: sdei: Mark sdei stack helper functions as static
2018-07-31 12:08:22 +01:00
setup.c
arm64: replace memblock_alloc_low with memblock_alloc
2019-03-27 18:12:41 +00:00
signal32.c
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
signal.c
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
sleep.S
arm64/mm: Pass ttbr1 as a parameter to __enable_mmu()
2018-09-25 15:10:54 +01:00
smccc-call.S
arm64: smccc: use asm EXPORT_SYMBOL()
2018-12-10 11:50:11 +00:00
smp_spin_table.c
arm64: Use __pa_symbol for kernel symbols
2017-01-12 15:05:39 +00:00
smp.c
arm64: Switch to PMR masking when starting CPUs
2019-02-06 10:05:20 +00:00
ssbd.c
arm64: ssbd: Add support for PSTATE.SSBS rather than trapping to EL3
2018-09-14 17:46:19 +01:00
stacktrace.c
arm64/stacktrace: Export save_stack_trace_regs()
2019-03-19 14:55:10 +00:00
suspend.c
arm64: mm: Support Common Not Private translations
2018-09-18 12:02:27 +01:00
sys32.c
arm64: implement syscall wrappers
2018-07-12 14:49:48 +01:00
sys_compat.c
arm64 fixes for -rc1
2019-01-05 11:28:39 -08:00
sys.c
arm64: implement syscall wrappers
2018-07-12 14:49:48 +01:00
syscall.c
arm64: compat: Don't pull syscall number from regs in arm_compat_syscall
2019-01-04 14:18:01 +00:00
time.c
arm64: Use ftrace_graph_get_ret_stack() instead of curr_ret_stack
2018-12-22 08:21:02 -05:00
topology.c
arm64: topology: re-introduce numa mask check for scheduler MC selection
2018-07-06 13:18:18 +01:00
trace-events-emulation.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
traps.c
arm64: Handle serror in NMI context
2019-02-06 10:05:22 +00:00
vdso.c
arm64/vdso: Support mremap() for vDSO
2017-08-09 12:16:28 +01:00
vmlinux.lds.S
arm64: relocatable: fix inconsistencies in linker script and options
2018-12-04 12:48:25 +00:00