iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
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
x86/mtrr: Replace deprecated CPU-hotplug functions.
2021-08-10 14:46:27 +02:00
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
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
acrn.c
x86/acrn: Introduce acrn_cpuid_base() and hypervisor feature bits
2021-02-09 10:58:18 +01:00
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
x86/cpu/centaur: Add Centaur family >=7 CPUs initialization support
2020-09-11 10:53:19 +02:00
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
x86/paravirt: Remove const mark from x86_hyper_xen_hvm variable
2019-07-17 08:09:59 +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
…
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
Makefile
x86/CPU: Add support for Vortex CPUs
2021-10-21 15:49:07 +02:00
match.c
x86/cpu: Add a steppings field to struct x86_cpu_id
2020-04-20 12:19:21 +02:00
mkcapflags.sh
x86/cpu: Print VMX flags in /proc/cpuinfo using VMX_FEATURES_*
2020-01-13 18:36:02 +01:00
mshyperv.c
hyperv-next for 5.19
2022-05-28 11:39:01 -07:00
perfctr-watchdog.c
x86/nmi_watchdog: Fix old-style NMI watchdog regression on old Intel CPUs
2021-06-10 10:04:40 +02:00
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
x86: Fix various typos in comments
2021-03-18 15:31:53 +01:00
transmeta.c
…
tsx.c
x86/tsx: Disable TSX development mode at boot
2022-04-11 09:58:40 +02:00
umc.c
…
umwait.c
KVM: VMX: Stop context switching MSR_IA32_UMWAIT_CONTROL
2020-06-22 20:54:57 -04:00
vmware.c
x86/vmware: Use BIT() macro for shifting
2022-06-22 11:23:14 +02:00
vortex.c
x86/CPU: Add support for Vortex CPUs
2021-10-21 15:49:07 +02:00
zhaoxin.c
x86/cpu: Reinitialize IA32_FEAT_CTL MSR on BSP during wakeup
2020-06-15 14:18:37 +02:00