Re: [PATCH] KVM: selftests: hyperv_tlb_flush: replace NOP loop with udelay()

Piotr Zarycki
2026-04-22T09:13:25Z

On Tue, Apr 21, 2026 at 11:10:22PM +0300, Dan Carpenter wrote:
>
> How did you test this?
>

I built the test using:

make -C tools/testing/selftests/kvm ARCH=x86_64 x86/hyperv_tlb_flush

And ran it 100 times to verify it passes consistently

results: 100/100 passed, 0 failed
average time: 466ms

For comparison, the original NOP loop averaged ~537ms on the same machine.