mirrors/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2025-11-08 12:40:51 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions
linux/arch/x86/kernel/cpu
History
Linus Torvalds c5f1e32e32 Fix the "IBPB mitigated RETBleed" mode of operation on AMD CPUs 
(not turned on by default), which also need STIBP enabled (if
 available) to be '100% safe' on even the shortest speculation
 windows.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
 -----BEGIN PGP SIGNATURE-----
 
 iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmL3fqcRHG1pbmdvQGtl
 cm5lbC5vcmcACgkQEnMQ0APhK1gnuw/6AighFp+Gp4qXP1DIVU+acVnZsxbdt7GA
 WGs/JJfKYsKpWvDGFxnwtF2V1Imq8XVRPVPyFKvLQiBs2h8vNcVkgIvJsdeTFsqQ
 uUwUaYgDXuhLYaFpnMGouoeA3iw2zf/CY5ZJX79Nl/CwNwT7FxiLbu+JF/I2Yc0V
 yddiQ8xgT0VJhaBcUTsD2qFl8wjpxer7gNBFR4ujiYWXHag3qKyZuaySmqCz4xhd
 4nyhJCp34548MsTVXDys2gnYpgLWweB9zOPvH4+GgtiFF3UJxRMhkB9NzfZq1l5W
 tCjgGupb3vVoXOVb/xnXyZlPbdFNqSAja7iOXYdmNUSURd7LC0PYHpVxN0rkbFcd
 V6noyU3JCCp86ceGTC0u3Iu6LLER6RBGB0gatVlzomWLjTEiC806eo23CVE22cnk
 poy7FO3RWa+q1AqWsEzc3wr14ZgSKCBZwwpn6ispT/kjx9fhAFyKtH2/Sznx26GH
 yKOF7pPCIXjCpcMnNoUu8cVyzfk0g3kOWQtKjaL9WfeyMtBaHhctngR0s1eCxZNJ
 rBlTs+YO7fO42unZEExgvYekBzI70aThIkvxahKEWW48owWph+i/sn5gzdVF+ynR
 R4PGeylfd8ZXr21cG2rG9250JLwqzhsxnAGvNjYg1p/hdyrzLTGWHIc9r9BU9000
 mmOP9uY6Cjc=
 =Ac6x
 -----END PGP SIGNATURE-----

Merge tag 'x86-urgent-2022-08-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fix from Ingo Molnar:
 "Fix the 'IBPB mitigated RETBleed' mode of operation on AMD CPUs (not
  turned on by default), which also need STIBP enabled (if available) to
  be '100% safe' on even the shortest speculation windows"

* tag 'x86-urgent-2022-08-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/bugs: Enable STIBP for IBPB mitigated RETBleed
2022-08-13 14:24:12 -07:00
..
mce x86/mce: Check whether writes to MCA_STATUS are getting ignored 2022-06-28 12:08:10 +02:00
microcode x86/microcode: Remove unnecessary perf callback 2022-05-31 09:31:19 +02:00
mtrr
resctrl x86: Replace cpumask_weight() with cpumask_empty() where appropriate 2022-04-10 22:35:38 +02:00
sgx - SGX2 ISA support which makes enclave memory management much more 2022-08-05 10:47:40 -07:00
.gitignore
acrn.c
amd.c x86/rdrand: Remove "nordrand" flag in favor of "random.trust_cpu" 2022-07-18 15:04:04 +02:00
aperfmperf.c x86/aperfmperf: Integrate the fallback code from show_cpuinfo() 2022-04-27 20:22:20 +02:00
bugs.c Fix the "IBPB mitigated RETBleed" mode of operation on AMD CPUs 2022-08-13 14:24:12 -07:00
cacheinfo.c x86/cacheinfo: move shared cache map definitions 2022-07-17 17:31:40 -07:00
centaur.c
common.c x86/speculation: Add RSB VM Exit protections 2022-08-03 11:23:52 +02:00
cpu.h x86/cpu/amd: Add Spectral Chicken 2022-06-27 10:34:00 +02:00
cpuid-deps.c x86/fpu: Optimize out sigframe xfeatures when in init state 2021-11-03 22:42:35 +01:00
cyrix.c x86/cyrix: include header linux/isa-dma.h 2022-07-26 14:03:12 -05:00
feat_ctl.c x86/cpu: Add new VMX feature, Tertiary VM-Execution control 2022-06-08 04:47:13 -04:00
hygon.c x86/cpu/amd: Add Spectral Chicken 2022-06-27 10:34:00 +02:00
hypervisor.c
intel.c x86/bus_lock: Don't assume the init value of DEBUGCTLMSR.BUS_LOCK_DETECT to be zero 2022-08-02 13:42:00 +02:00
intel_epb.c x86: intel_epb: Allow model specific normal EPB value 2022-01-04 16:37:23 +01:00
intel_pconfig.c
Makefile
match.c
mkcapflags.sh
mshyperv.c hyperv-next for 5.19 2022-05-28 11:39:01 -07:00
perfctr-watchdog.c
powerflags.c
proc.c x86/aperfmperf: Integrate the fallback code from show_cpuinfo() 2022-04-27 20:22:20 +02:00
rdrand.c x86/rdrand: Remove "nordrand" flag in favor of "random.trust_cpu" 2022-07-18 15:04:04 +02:00
scattered.c x86/speculation: Disable RRSBA behavior 2022-07-09 13:12:45 +02:00
topology.c
transmeta.c
tsx.c x86/tsx: Disable TSX development mode at boot 2022-04-11 09:58:40 +02:00
umc.c
umwait.c
vmware.c x86/vmware: Use BIT() macro for shifting 2022-06-22 11:23:14 +02:00
vortex.c
zhaoxin.c