diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2021-06-08 16:36:20 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2021-06-09 10:39:04 +0200 |
| commit | 12f7764ac61200e32c916f038bdc08f884b0b604 (patch) | |
| tree | bc45114cf3445c7a9e7c5f795097c8c89bbdeea4 /drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c | |
| parent | d8778e393afa421f1f117471144f8ce6deb6953a (diff) | |
x86/process: Check PF_KTHREAD and not current->mm for kernel threads
switch_fpu_finish() checks current->mm as indicator for kernel threads.
That's wrong because kernel threads can temporarily use a mm of a user
process via kthread_use_mm().
Check the task flags for PF_KTHREAD instead.
Fixes: 0cecca9d03c9 ("x86/fpu: Eager switch PKRU state")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Rik van Riel <riel@surriel.com>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20210608144345.912645927@linutronix.de
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c')
0 files changed, 0 insertions, 0 deletions