AcoSail/kernel_optimize_test
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4d7f72b6e1
kernel_optimize_test/arch
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Josh Poimboeuf 4d7f72b6e1 x86/speculation: Fill RSB on vmexit for IBRS 
commit 9756bba28470722dacb79ffce554336dd1f6a6cd upstream.

Prevent RSB underflow/poisoning attacks with RSB.  While at it, add a
bunch of comments to attempt to document the current state of tribal
knowledge about RSB attacks and what exactly is being mitigated.

Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-07-25 11:26:49 +02:00
..
alpha alpha: define get_cycles macro for arch-override 2022-05-30 09:33:40 +02:00
arc ARC: entry: fix syscall_trace_exit argument 2022-04-27 13:53:55 +02:00
arm ARM: dts: stm32: use the correct clock source for CEC on stm32mp151 2022-07-21 21:20:17 +02:00
arm64 arm64: dts: qcom: msm8992-*: Fix vdd_lvs1_2-supply typo 2022-07-12 16:32:20 +02:00
c6x arch-cleanup-2020-10-22 2020-10-23 10:06:38 -07:00
csky csky: patch_text: Fixup last cpu should be master 2022-06-09 10:21:26 +02:00
h8300 h8300: fix PREEMPTION build, TI_PRE_COUNT undefined 2021-02-17 11:02:28 +01:00
hexagon hexagon: clean up timer-regs.h 2021-11-26 10:39:19 +01:00
ia64 ia64: define get_cycles macro for arch-override 2022-05-30 09:33:40 +02:00
m68k m68knommu: fix undefined reference to `_init_sp' 2022-06-14 18:32:38 +02:00
microblaze uaccess: fix nios2 and microblaze get_user_8() 2022-04-08 14:40:08 +02:00
mips MIPS: Remove repetitive increase irq_err_count 2022-06-29 08:59:48 +02:00
nds32 nds32: fix access_ok() checks in get/put_user 2022-03-28 09:57:10 +02:00
nios2 nios2: use fallback for random_get_entropy() instead of zero 2022-05-30 09:33:41 +02:00
openrisc openrisc: start CPU timer early in boot 2022-06-09 10:20:55 +02:00
parisc parisc: Enable ARCH_HAS_STRICT_MODULE_RWX 2022-06-29 08:59:53 +02:00
powerpc powerpc/powernv: delay rng platform device creation until later in boot 2022-07-12 16:32:19 +02:00
riscv riscv: read-only pages should not be writable 2022-06-14 18:32:36 +02:00
s390 s390: remove unneeded 'select BUILD_BIN2C' 2022-07-07 17:52:18 +02:00
sh sh: convert nommu io{re,un}map() to static inline functions 2022-07-21 21:20:02 +02:00
sparc sparc: use fallback for random_get_entropy() instead of zero 2022-05-30 09:33:42 +02:00
um x86/alternative: Implement .retpoline_sites support 2022-07-25 11:26:26 +02:00
x86 x86/speculation: Fill RSB on vmexit for IBRS 2022-07-25 11:26:49 +02:00
xtensa xtensa: Fix refcount leak bug in time.c 2022-06-29 08:59:53 +02:00
.gitignore
Kconfig arch/cc: Introduce a function to check for confidential computing features 2021-11-18 14:04:32 +01:00