Re: [PATCH] x86/cpuid: gate the hypervisor PV-only leaf on is_pv_domain()

Jan Beulich <[email protected]>
Newsgroups gmane.comp.emulators.xen.devel
Message-ID <[email protected]> 
On 26.08.2026 09:25, Jiaqing Zhao wrote:
> Hypervisor leaf 5 is PV-specific, but is gated with !is_hvm_domain(),
> which stays a runtime test in a build without PV support. Test for a
> PV domain directly so the compiler can discard the leaf when
> CONFIG_PV is disabled.
> 
> Suggested-by: Roger Pau Monné <[email protected]>
> Signed-off-by: Jiaqing Zhao <[email protected]>

Reviewed-by: Jan Beulich <[email protected]>
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