Re: [PATCH v3] drm/shmem-helper: Fix Map huge page mapping in fault handler

[Thomas Zimmermann]

Hi

Am 16.03.26 um 11:36 schrieb Boris Brezillon:
> On Mon, 16 Mar 2026 11:14:40 +0100
> Thomas Zimmermann <tzimmermann@xxxxxxx> wrote:
>
> > Am 16.03.26 um 10:50 schrieb Boris Brezillon:
> >
> > > > Avoid this race by adding a huge_fault callback to drm_gem_shmem_vm_ops so that
> > > > PMD-sized mappings are handled through the appropriate huge page fault path.
> > This patch will conflict heavily with the folio-tracking patches that
> > has been merged into upstream DRM. How do we deal with that?
> We need a fix in drm-misc-fixes since it's a bug that exists in v7.0,
> and a conflict resolution recorded in drm-tip to deal with the
> drm-misc-fixes vs drm-misc-next conflicts (I don't remember the exact
> process, but it's documented in dim).

I can easily do that when I merge the fix into drm-misc-fixes.  I'd only 
need the fixed and tested patch that applies to the current 
drm-misc-next beforehand.

Best regards
Thomas


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Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstr. 146, 90461 Nürnberg, Germany, www.suse.com
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