Re: [PATCH] KVM: selftests: hyperv_tlb_flush: replace NOP loop with udelay()
Dan Carpenter <[email protected]>
| Newsgroups | org.kernel.vger.kernel-janitors,org.kernel.vger.kvm,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest |
|---|---|
| Message-ID | <[email protected]> |
On Tue, Apr 21, 2026 at 07:29:53PM +0200, Piotr Zarycki wrote:
> Replace the open-coded NOP loop with udelay() which was added to KVM
> selftests in commit 6b878cbb87bf ("KVM: selftests: Add guest udelay()
> utility for x86"). The NOP loop is CPU speed dependent while udelay()
> provides a deterministic delay regardless of host CPU frequency.
>
> Signed-off-by: Piotr Zarycki <[email protected]>
> ---
How did you test this?
regards,
dan carpenter