Re: [PATCH] KVM: selftests: hyperv_tlb_flush: replace NOP loop with udelay()
Piotr Zarycki <[email protected]>
| Newsgroups | org.kernel.vger.kernel-janitors,org.kernel.vger.kvm,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest |
|---|---|
| Message-ID | <aeiM82FpO-CcqBlI@arch-piotr> |
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.