On Thu, 25 Jul 2024 13:52:30 -0400, Maxim Levitsky wrote:
> Recently, while trying to understand why the pmu_counters_test
> selftest sometimes fails when run nested I stumbled
> upon a very interesting and old bug:
>
> It turns out that KVM caches guest segment state,
> but this cache doesn't have any protection against concurrent use.
>
> [...]
Applied patch 1 to kvm-x86 vmx, thanks!
[1/2] KVM: nVMX: use vmx_segment_cache_clear
https://github.com/kvm-x86/linux/commit/41ab0d59faa9
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https://github.com/kvm-x86/linux/tree/next
