linux-kernel - Re: [PATCH v7 04/12] KVM: guest_memfd: Add stub for kvm_arch_gmem

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Message-ID: <67101d20-8daa-46e6-8df0-801aa70b102d@redhat.com>
Date: Thu, 25 Sep 2025 12:26:52 +0200
From: David Hildenbrand <david@...hat.com>
To: "Roy, Patrick" <roypat@...zon.co.uk>
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Subject: Re: [PATCH v7 04/12] KVM: guest_memfd: Add stub for
 kvm_arch_gmem_invalidate

On 24.09.25 17:22, Roy, Patrick wrote:
> Add a no-op stub for kvm_arch_gmem_invalidate if
> CONFIG_HAVE_KVM_ARCH_GMEM_INVALIDATE=n. This allows defining
> kvm_gmem_free_folio without ifdef-ery, which allows more cleanly using
> guest_memfd's free_folio callback for non-arch-invalidation related
> code.
> 
> Signed-off-by: Patrick Roy <roypat@...zon.co.uk>
> ---

We'll now always perform a callback from the core, but I guess that's 
tolerable.

Acked-by: David Hildenbrand <david@...hat.com>

-- 
Cheers

David / dhildenb