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authorLinus Torvalds <torvalds@linux-foundation.org>2020-08-15 10:38:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-15 10:38:03 -0700
commit50f6c7dbd973092d8e5f3c89f29eb4bea19fdebd (patch)
tree99b5a8715e371e0009968b0d7b1c23a67aa6ab58 /Documentation
parent1195d58f003bf84d37fc5c30017600e09ba567b2 (diff)
parenta6d996cbd38b42341ad3fce74506b9fdc280e395 (diff)
downloadlinux-50f6c7dbd973092d8e5f3c89f29eb4bea19fdebd.tar.bz2
Merge tag 'x86-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar: "Misc fixes and small updates all around the place: - Fix mitigation state sysfs output - Fix an FPU xstate/sxave code assumption bug triggered by Architectural LBR support - Fix Lightning Mountain SoC TSC frequency enumeration bug - Fix kexec debug output - Fix kexec memory range assumption bug - Fix a boundary condition in the crash kernel code - Optimize porgatory.ro generation a bit - Enable ACRN guests to use X2APIC mode - Reduce a __text_poke() IRQs-off critical section for the benefit of PREEMPT_RT" * tag 'x86-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/alternatives: Acquire pte lock with interrupts enabled x86/bugs/multihit: Fix mitigation reporting when VMX is not in use x86/fpu/xstate: Fix an xstate size check warning with architectural LBRs x86/purgatory: Don't generate debug info for purgatory.ro x86/tsr: Fix tsc frequency enumeration bug on Lightning Mountain SoC kexec_file: Correctly output debugging information for the PT_LOAD ELF header kexec: Improve & fix crash_exclude_mem_range() to handle overlapping ranges x86/crash: Correct the address boundary of function parameters x86/acrn: Remove redundant chars from ACRN signature x86/acrn: Allow ACRN guest to use X2APIC mode
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/admin-guide/hw-vuln/multihit.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/admin-guide/hw-vuln/multihit.rst b/Documentation/admin-guide/hw-vuln/multihit.rst
index ba9988d8bce5..140e4cec38c3 100644
--- a/Documentation/admin-guide/hw-vuln/multihit.rst
+++ b/Documentation/admin-guide/hw-vuln/multihit.rst
@@ -80,6 +80,10 @@ The possible values in this file are:
- The processor is not vulnerable.
* - KVM: Mitigation: Split huge pages
- Software changes mitigate this issue.
+ * - KVM: Mitigation: VMX unsupported
+ - KVM is not vulnerable because Virtual Machine Extensions (VMX) is not supported.
+ * - KVM: Mitigation: VMX disabled
+ - KVM is not vulnerable because Virtual Machine Extensions (VMX) is disabled.
* - KVM: Vulnerable
- The processor is vulnerable, but no mitigation enabled