Re: [PATCH v3 00/12] KVM: selftests: Add more syscall wrappers, fix hardware_disable_test

[Yosry Ahmed]

On Fri, Jul 31, 2026 at 12:56 PM Sean Christopherson <seanjc@xxxxxxxxxx> wrote:
>
> Third time's a charm.  Sorry for the spam.
>
> Buried in the middle of this is a fix for the hardware_disable_test where
> it can end up with a runtime of multiple minutes when running a preemptible
> kernels on a large NUMA system.  Turns out my analysis/guess in v1 was wrong;
> the problem isn't direct CPU contention, it's that letting the workers do any
> amount of "real" work on any CPUs leads to pthread_create() slowdowns from
> the perspective of the caller.

How long does the test take to run with this series?