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x86: Wire up TIF_NOTIFY_SIGNAL

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The generic entry code has support for TIF_NOTIFY_SIGNAL already. Just
provide the TIF bit.

[ tglx: Adopted to other TIF changes in x86 ]

Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201026203230.386348-4-axboe@kernel.dk
This commit is contained in:
Jens Axboe 2020-10-26 14:32:29 -06:00 committed by Thomas Gleixner
parent 8d71d2bf6e
commit c8d5ed6793
1 changed files with 2 additions and 0 deletions
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arch/x86/include/asm/thread_info.h
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@ -91,6 +91,7 @@ struct thread_info {
#define TIF_NEED_FPU_LOAD 14 /* load FPU on return to userspace */
#define TIF_NOCPUID 15 /* CPUID is not accessible in userland */
#define TIF_NOTSC 16 /* TSC is not accessible in userland */
#define TIF_NOTIFY_SIGNAL 17 /* signal notifications exist */
#define TIF_SLD 18 /* Restore split lock detection on context switch */
#define TIF_MEMDIE 20 /* is terminating due to OOM killer */
#define TIF_POLLING_NRFLAG 21 /* idle is polling for TIF_NEED_RESCHED */
@ -118,6 +119,7 @@ struct thread_info {
#define _TIF_NEED_FPU_LOAD (1 << TIF_NEED_FPU_LOAD)
#define _TIF_NOCPUID (1 << TIF_NOCPUID)
#define _TIF_NOTSC (1 << TIF_NOTSC)
#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL)
#define _TIF_SLD (1 << TIF_SLD)
#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
#define _TIF_IO_BITMAP (1 << TIF_IO_BITMAP)