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SubjectRe: REGRESSION: in intel video driver following introduction of mm_struct.has_pinned
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Quoting Joonas Lahtinen (2020-09-29 09:18:34)
> (+ intel-gfx for being i915 related)
> (+ Chris who has looked into the issue)
>
> Hi,
>
> Thanks for reporting!

Fixed in commit a4d63c3732f1a0c91abcf5b7f32b4ef7dcd82025
Author: Jason A. Donenfeld <Jason@zx2c4.com>
Date: Mon Sep 28 12:35:07 2020 +0200

mm: do not rely on mm == current->mm in __get_user_pages_locked
-Chris

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