Re: REGRESSION: in intel video driver following introduction of mm_struct.has_pinned
From: Chris Wilson
Date: Tue Sep 29 2020 - 04:40:06 EST
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@xxxxxxxxx>
Date: Mon Sep 28 12:35:07 2020 +0200
mm: do not rely on mm == current->mm in __get_user_pages_locked
-Chris