On Wed, 02 Oct 2024 19:56:58 -0400, Maxim Levitsky wrote:
> While this is not likely, it is valid for the MSR_LBR_TOS
> to contain 0 value, after a test which issues a series of branches, if the
> number of branches recorded was divisible by the number of LBR msrs.
>
> This unfortunately depends on the compiler, the number of LBR registers,
> and it is not even deterministic between different runs of the test,
> because interrupts, rescheduling, and various other events can affect total
> number of branches done.
>
> [...]
Applied to kvm-x86 next (and now pulled by Paolo), thanks!
[1/1] pmu_lbr: drop check for MSR_LBR_TOS != 0
https://github.com/kvm-x86/kvm-unit-tests/commit/584a927eaf58
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https://github.com/kvm-x86/kvm-unit-tests/tree/next
