Re: [PATCH v6 12/51] x86/acrn: Register TSC/CPU frequency callbacks iff frequency is actually in CPUID

David Woodhouse <[email protected]> Sat, 08 Aug 2026 15:57:23 +0100
Newsgroups org.kernel.vger.linux-hyperv,dev.linux.lists.linux-coco,dev.linux.lists.virtualization,org.kernel.vger.kvm,org.kernel.vger.linux-kernel,org.xenproject.lists.xen-devel
Message-ID <[email protected]>
On Thu, 2026-08-06 at 16:35 -0700, Sean Christopherson wrote:
> Register ACRN's TSC/CPU frequency overrides if and only if the exact TSC
> frequency is actually provided in CPUID.  This will allow marking the TSC
> as reliable as appropriate, and avoids relying on the caller to handle
> "failure".
>
> For all intents and purposes, no functional change intended.
>
> Signed-off-by: Sean Christopherson <[email protected]>

Reviewed-by: David Woodhouse <[email protected]>
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