Commit c8d5ed67 authored by Jens Axboe's avatar Jens Axboe Committed by Thomas Gleixner
Browse files

x86: Wire up TIF_NOTIFY_SIGNAL 



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: default avatarJens Axboe <axboe@kernel.dk>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201026203230.386348-4-axboe@kernel.dk
parent 8d71d2bf

arch/x86/include/asm/thread_info.h

+2 −0
Original line number Diff line number Diff line
@@ -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)