KVM VMX changes for 7.3

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- Service local TLB flushes on a failed nested VM-Enter to fix a bug where KVM
    could miss a TLB on a future, successful VM-Enter with the same L2 VPID.
 
  - Cap the maximum value shoved into the VMX Preemption Timer to workaround an
    erratum that affects all existing Intel CPUs that support CPUID 0x15.
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Merge tag 'kvm-x86-vmx-7.3' of https://github.com/kvm-x86/linux into HEAD

KVM VMX changes for 7.3

 - Service local TLB flushes on a failed nested VM-Enter to fix a bug where KVM
   could miss a TLB on a future, successful VM-Enter with the same L2 VPID.

 - Cap the maximum value shoved into the VMX Preemption Timer to workaround an
   erratum that affects all existing Intel CPUs that support CPUID 0x15.

...

This commit is contained in:

Paolo Bonzini 2026-08-18 13:30:24 +02:00

parent abad8c4cb9 0aaedada60

commit 634c347df1

2 changed files with 117 additions and 62 deletions

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8

arch/x86/kvm/vmx/nested.c

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171

arch/x86/kvm/vmx/vmx.c

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