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

[Boris Brezillon <boris.brezillon@collabora.com>]

On Wed, 18 Mar 2026 08:14:31 -0300
Pedro Demarchi Gomes <pedrodemargomes@gmail.com> wrote:

> On Wed, Mar 18, 2026 at 11:16:49AM +0100, Boris Brezillon wrote:
> > On Tue, 17 Mar 2026 18:30:54 +0100
> > Boris Brezillon <boris.brezillon@collabora.com> wrote:
> >   
> > > > 
> > > > I've played a bit with the drm-misc-{next,fixes} versions (with the extra
> > > > pfn_mkwrite fixes on top for the -next variant), and below is my preferred
> > > > version (pfn insertion is all handled inside the try_insert_pfn() helper,
> > > > with order == PMD_ORDER specialized there).    
> > > 
> > > One last thing, the subject should probably be "drm/shmem-helper: Fix
> > > huge page mapping in fault handler" (instead of "Fix Map huge page
> > > ..."). Pedro, do you think you'll be able to send a v4 before the end
> > > of the week? I'd really like to have that fix in -rc5 or -rc6.  
> > 
> > If you can't, please let me know, I'll post a new version for you.  
> 
> Should I send a patch for the drm-misc-{next,fixes}, or v7.0-rc4?

The patch should be against drm-misc-fixes, and if you can port it to
drm-misc-next and share the diff, that would be helpful for the merge
conflict resolution.

> I am planning to send it today.

Thanks!