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Re: [Xen-devel] [PATCH 06/34] drm/i915: convert put_page() to put_user_page*()
- To: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, john.hubbard@xxxxxxxxx
- From: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
- Date: Fri, 02 Aug 2019 12:19:22 +0300
- Cc: linux-fbdev@xxxxxxxxxxxxxxx, Jan Kara <jack@xxxxxxx>, kvm@xxxxxxxxxxxxxxx, David Airlie <airlied@xxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, dri-devel@xxxxxxxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, Ira Weiny <ira.weiny@xxxxxxxxx>, ceph-devel@xxxxxxxxxxxxxxx, devel@xxxxxxxxxxxxxxxxxxxx, rds-devel@xxxxxxxxxxxxxx, linux-rdma@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, amd-gfx@xxxxxxxxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, devel@xxxxxxxxxxxxxxxxxx, linux-media@xxxxxxxxxxxxxxx, John Hubbard <jhubbard@xxxxxxxxxx>, intel-gfx@xxxxxxxxxxxxxxxxxxxxx, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, Jérôme Glisse <jglisse@xxxxxxxxxx>, linux-rpi-kernel@xxxxxxxxxxxxxxxxxxx, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-nfs@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, LKML <linux-kernel@xxxxxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxxxxxx, linux-crypto@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx
- Delivery-date: Fri, 02 Aug 2019 09:24:09 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Quoting john.hubbard@xxxxxxxxx (2019-08-02 05:19:37)
> From: John Hubbard <jhubbard@xxxxxxxxxx>
>
> For pages that were retained via get_user_pages*(), release those pages
> via the new put_user_page*() routines, instead of via put_page() or
> release_pages().
>
> This is part a tree-wide conversion, as described in commit fc1d8e7cca2d
> ("mm: introduce put_user_page*(), placeholder versions").
>
> Note that this effectively changes the code's behavior in
> i915_gem_userptr_put_pages(): it now calls set_page_dirty_lock(),
> instead of set_page_dirty(). This is probably more accurate.
We've already fixed this in drm-tip where the current code uses
set_page_dirty_lock().
This would conflict with our tree. Rodrigo is handling
drm-intel-next for 5.4, so you guys want to coordinate how
to merge.
Regards, Joonas
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