Re: [PATCH RFT 0/3] mm, drm: ensure .fault() does not have to be followed by .pfn_mkwrite() for write faults

Sergio Lopez Pascual <[email protected]> Mon, 3 Aug 2026 02:30:22 -0500

Newsgroups	org.kernel.vger.kvm,org.freedesktop.lists.dri-devel,org.kernel.vger.linux-kernel,org.kvack.linux-mm
Message-ID	<CAAiTLFV-n3hdY3dUGSeEwfmAAgLE+tXBqZH2=eAU7EHiYorD+g@mail.gmail.com>

Paolo Bonzini <[email protected]> writes:

> Warning - DRM parts (i.e. most of the patches) untested; I have Cc'd
> the reporter to help with testing these patches.

Tested alongside with the mm fix [1], and it fixes the virtio-gpu
mapping issue [2] for both the absent PTE case and the pre-faulted
read-only PTE case.

Tested-by: Sergio Lopez <[email protected]>

Thanks, Paolo.

[1] https://lore.kernel.org/kvm/CABgObfbkqYNsPQnKxK1_4adXF_tSdtScPU5-Xrg-sXyeWfMVfQ@mail.gmail.com/T/#t
[2] https://lore.kernel.org/kvm/[email protected]/T/#t