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To:     Andrew Morton <akpm@linux-foundation.org>, john.hubbard@gmail.com
From:   Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
In-Reply-To: <20190802022005.5117-7-jhubbard@nvidia.com>
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Message-ID: <156473756254.19842.12384378926183716632@jlahtine-desk.ger.corp.intel.com>
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Subject: Re: [PATCH 06/34] drm/i915: convert put_page() to put_user_page*()
Date:   Fri, 02 Aug 2019 12:19:22 +0300
Sender: linux-crypto-owner@vger.kernel.org
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Quoting john.hubbard@gmail.com (2019-08-02 05:19:37)
> From: John Hubbard <jhubbard@nvidia.com>
> 
> 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