linux-kernel - Re: [PATCH 0/2] ensure alignment on CPU page for bo mapping

Open Source and information security mailing list archives

Date:   Tue, 30 Mar 2021 22:05:49 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Christian König <christian.koenig@....com>
Cc:     Xℹ Ruoyao <xry111@...gyan1223.wang>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        Dan Horák <dan@...ny.cz>,
        Huacai Chen <chenhuacai@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>, David Airlie <airlied@...ux.ie>,
        Alex Deucher <alexander.deucher@....com>
Subject: Re: [PATCH 0/2] ensure alignment on CPU page for bo mapping

Applied.  Thanks!

Alex

On Tue, Mar 30, 2021 at 12:21 PM Christian König
<christian.koenig@....com> wrote:
>
> Reviewed-by: Christian König <christian.koenig@....com> for the entire
> series.
>
> Alex will probably pick them up for the next feature pull request.
>
> Regards,
> Christian.
>
> Am 30.03.21 um 17:33 schrieb Xℹ Ruoyao:
> > In AMDGPU driver, the bo mapping should always align to CPU page or
> > the page table is corrupted.
> >
> > The first patch is cherry-picked from Loongson community, which sets a
> > suitable dev_info.gart_page_size so Mesa will handle the alignment
> > correctly.
> >
> > The second patch is added to ensure an ioctl with unaligned parameter to
> > be rejected -EINVAL, instead of causing page table corruption.
> >
> > The patches should be applied for drm-next.
> >
> > Huacai Chen (1):
> >    drm/amdgpu: Set a suitable dev_info.gart_page_size
> >
> > Xℹ Ruoyao (1):
> >    drm/amdgpu: check alignment on CPU page for bo map
> >
> >   drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 4 ++--
> >   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c  | 8 ++++----
> >   2 files changed, 6 insertions(+), 6 deletions(-)
> >
> >
> > base-commit: a0c8b193bfe81cc8e9c7c162bb8d777ba12596f0
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx

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