Thomas Gleixner 12f7764ac6 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: 0cecca9d03 ("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		2021-06-09 10:39:04 +02:00
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api.h	x86/cpufeatures: Force disable X86_FEATURE_ENQCMD and remove update_pasid()	2021-06-03 16:33:09 +02:00
internal.h	x86/process: Check PF_KTHREAD and not current->mm for kernel threads	2021-06-09 10:39:04 +02:00
regset.h	x86: switch to ->regset_get()	2020-07-27 14:31:07 -04:00
signal.h	x86/fpu: Remove fpu->initialized usage in __fpu__restore_sig()	2019-04-09 19:27:29 +02:00
types.h	x86/fpu/xstate: Add supervisor PASID state for ENQCMD	2020-09-17 20:22:10 +02:00
xcr.h	x86/fpu: Move xgetbv()/xsetbv() into a separate header	2020-09-07 19:54:20 +02:00
xstate.h	x86/fpu/xstate: Add supervisor PASID state for ENQCMD	2020-09-17 20:22:10 +02:00