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mirror_ubuntu-kernels/arch/x86/kernel/cpu
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Linus Torvalds 5318b987fe More from the CPU vulnerability nightmares front: 
Intel eIBRS machines do not sufficiently mitigate against RET
 mispredictions when doing a VM Exit therefore an additional RSB,
 one-entry stuffing is needed.
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Merge tag 'x86_bugs_pbrsb' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 eIBRS fixes from Borislav Petkov:
 "More from the CPU vulnerability nightmares front:

  Intel eIBRS machines do not sufficiently mitigate against RET
  mispredictions when doing a VM Exit therefore an additional RSB,
  one-entry stuffing is needed"

* tag 'x86_bugs_pbrsb' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/speculation: Add LFENCE to RSB fill sequence
  x86/speculation: Add RSB VM Exit protections
2022-08-09 09:29:07 -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 x86/speculation: Add RSB VM Exit protections 2022-08-03 11:23:52 +02:00
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 x86/pconfig: Detect PCONFIG targets 2018-03-12 12:10:54 +01:00
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 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
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 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tsx.c x86/tsx: Disable TSX development mode at boot 2022-04-11 09:58:40 +02:00
umc.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
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