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linux/arch/arm64/kernel
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Marc Zyngier 9cdc0108ba arm64: ssbd: Add prctl interface for per-thread mitigation 
If running on a system that performs dynamic SSBD mitigation, allow
userspace to request the mitigation for itself. This is implemented
as a prctl call, allowing the mitigation to be enabled or disabled at
will for this particular thread.

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2018-05-31 18:00:52 +01:00
..
probes
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
vdso
arm64 updates for 4.15
2017-11-15 10:56:56 -08:00
.gitignore
…
acpi_numa.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
acpi_parking_protocol.c
arm64: fix endianness annotation in acpi_parking_protocol.c
2017-06-29 11:33:15 +01:00
acpi.c
More ACPI updates for v4.16-rc1
2018-02-09 09:44:25 -08:00
alternative.c
arm64: alternatives: Add dynamic patching feature
2018-03-19 13:03:17 +00:00
arm64ksyms.c
arm64: uaccess: Mask __user pointers for __arch_{clear, copy_*}_user
2018-02-06 22:53:40 +00:00
armv8_deprecated.c
arm64: Remove duplicate include
2018-05-15 18:18:00 +01:00
asm-offsets.c
arm64: assembler: add macros to conditionally yield the NEON under PREEMPT
2018-04-11 18:50:34 +01:00
cacheinfo.c
arm64: Add support for ACPI based firmware tables
2018-05-17 17:28:09 +01:00
cpu_errata.c
arm64: ssbd: Restore mitigation status on CPU resume
2018-05-31 17:35:19 +01:00
cpu_ops.c
arm64: cpu_ops: Add missing 'const' qualifiers
2017-12-01 13:05:08 +00:00
cpu-reset.h
arm64: Use __pa_symbol for kernel symbols
2017-01-12 15:05:39 +00:00
cpu-reset.S
arm64: idmap: Use "awx" flags for .idmap.text .pushsection directives
2018-02-06 22:53:27 +00:00
cpufeature.c
arm64: Increase ARCH_DMA_MINALIGN to 128
2018-05-15 13:29:55 +01:00
cpuidle.c
ARM64 / cpuidle: Use new cpuidle macro for entering retention state
2018-01-02 13:50:34 +00:00
cpuinfo.c
arm64: Expose Arm v8.4 features
2018-03-19 18:14:27 +00:00
crash_dump.c
arm64: kdump: provide /proc/vmcore file
2017-04-05 18:31:38 +01:00
debug-monitors.c
arm64: Use arm64_force_sig_info instead of force_sig_info
2018-03-06 18:52:32 +00:00
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
entry32.S
arm64: entry32: remove pointless register assignment
2015-07-10 16:47:13 +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: Fix static use of function graph
2017-11-03 12:05:23 +00:00
entry.S
arm64: ssbd: Introduce thread flag to control userspace mitigation
2018-05-31 17:35:32 +01:00
fpsimd.c
arm64: Remove duplicate include
2018-05-15 18:18:00 +01:00
ftrace.c
arm64: ftrace: emit ftrace-mod.o contents through code
2017-12-01 13:04:59 +00:00
head.S
arm64/kvm: Prohibit guest LOR accesses
2018-02-26 10:48:01 +01:00
hibernate-asm.S
arm64: assembler: Change order of macro arguments in phys_to_ttbr
2018-02-06 22:53:21 +00:00
hibernate.c
arm64: ssbd: Restore mitigation status on CPU resume
2018-05-31 17:35:19 +01:00
hw_breakpoint.c
arm64: hw_breakpoint: Use linux/uaccess.h instead of asm/uaccess.h
2017-12-12 11:53:26 +00:00
hyp-stub.S
arm64: hyp-stub: Zero x0 on successful stub handling
2017-04-09 07:49:35 -07:00
image.h
arm64/efi: Make strrchr() available to the EFI namespace
2018-03-05 13:45:38 -06:00
insn.c
arm64: insn: Allow ADD/SUB (immediate) with LSL #12
2018-03-19 13:05:13 +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: Add vmap_stack header file
2018-01-13 10:45:03 +00:00
jump_label.c
jump_label: Rename JUMP_LABEL_{EN,DIS}ABLE to JUMP_LABEL_{JMP,NOP}
2015-08-03 11:34:12 +02:00
kaslr.c
arm64/kernel: kaslr: reduce module randomization range to 4 GB
2018-03-08 13:49:26 +00:00
kgdb.c
arm64/debug: Fix registers on sleeping tasks
2018-03-06 18:52:34 +00:00
kuser32.S
arm64: Add __NR_* definitions for compat syscalls
2014-07-10 11:02:40 +01:00
machine_kexec.c
arm64: explicitly mask all exceptions
2017-11-02 15:55:40 +00:00
Makefile
arm64: ssbd: Add prctl interface for per-thread mitigation
2018-05-31 18:00:52 +01:00
module-plts.c
arm64/kernel: rename module_emit_adrp_veneer->module_emit_veneer_for_adrp
2018-04-24 19:07:35 +01:00
module.c
arm64/kernel: rename module_emit_adrp_veneer->module_emit_veneer_for_adrp
2018-04-24 19:07:35 +01:00
module.lds
arm64: ftrace: emit ftrace-mod.o contents through code
2017-12-01 13:04:59 +00:00
paravirt.c
arm64: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops
2015-12-21 14:40:54 +00:00
pci.c
PCI: Add a generic weak pcibios_align_resource()
2017-08-02 14:53:16 -05:00
perf_callchain.c
arm64: unwind: remove sp from struct stackframe
2017-08-09 14:10:29 +01:00
perf_event.c
arm64: perf: correct PMUVer probing
2018-02-20 11:34:54 +00:00
perf_regs.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
process.c
arm64: uaccess: Fix omissions from usercopy whitelist
2018-03-28 15:25:44 +01:00
psci.c
arm64: Use __pa_symbol for kernel symbols
2017-01-12 15:05:39 +00:00
ptrace.c
arm64: Remove duplicate include
2018-05-15 18:18:00 +01:00
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: Add software workaround for Falkor erratum 1041
2018-02-06 22:53:13 +00:00
return_address.c
arm64: unwind: remove sp from struct stackframe
2017-08-09 14:10:29 +01:00
sdei.c
arm64: sdei: Add trampoline code for remapping the kernel
2018-01-14 18:49:50 +00:00
setup.c
arm64: Move the async/fiq helpers to explicitly set process context flags
2017-11-02 15:55:41 +00:00
signal32.c
arm64: uaccess: Fix omissions from usercopy whitelist
2018-03-28 15:25:44 +01:00
signal.c
arm64: uaccess: Fix omissions from usercopy whitelist
2018-03-28 15:25:44 +01:00
sleep.S
arm64: idmap: Use "awx" flags for .idmap.text .pushsection directives
2018-02-06 22:53:27 +00:00
smccc-call.S
firmware: qcom: scm: Fix interrupted SCM calls
2017-02-03 18:46:33 +00:00
smp_spin_table.c
arm64: Use __pa_symbol for kernel symbols
2017-01-12 15:05:39 +00:00
smp.c
arm64: capabilities: Change scope of VHE to Boot CPU feature
2018-03-26 18:01:41 +01:00
ssbd.c
arm64: ssbd: Add prctl interface for per-thread mitigation
2018-05-31 18:00:52 +01:00
stacktrace.c
arm64: fix unwind_frame() for filtered out fn for function graph tracing
2018-02-23 13:46:38 +00:00
suspend.c
arm64: ssbd: Restore mitigation status on CPU resume
2018-05-31 17:35:19 +01:00
sys32.c
arm64: fix implementation of mmap2 compat syscall
2015-03-19 10:43:51 +00:00
sys_compat.c
arm64: uaccess: Fix omissions from usercopy whitelist
2018-03-28 15:25:44 +01:00
sys.c
mm: add ksys_mmap_pgoff() helper; remove in-kernel calls to sys_mmap_pgoff()
2018-04-02 20:16:11 +02:00
time.c
arm64: fix unwind_frame() for filtered out fn for function graph tracing
2018-02-23 13:46:38 +00:00
topology.c
arm64: topology: divorce MC scheduling domain from core_siblings
2018-05-17 17:28:09 +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: only advance singlestep for user instruction traps
2018-04-24 19:07:36 +01:00
vdso.c
arm64/vdso: Support mremap() for vDSO
2017-08-09 12:16:28 +01:00
vmlinux.lds.S
arm64: remove no-op macro VMLINUX_SYMBOL()
2018-05-15 18:14:24 +01:00