Commit ed2124c0 authored by Jens Axboe's avatar Jens Axboe Committed by Michal Simek
Browse files

microblaze: add support for TIF_NOTIFY_SIGNAL 



Wire up TIF_NOTIFY_SIGNAL handling for microblaze.

Cc: Michal Simek <monstr@monstr.eu>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
Link: https://lore.kernel.org/r/a2b78afc-5f60-8590-9df5-17302e356552@kernel.dk


Signed-off-by: default avatarMichal Simek <michal.simek@xilinx.com>
parent e167a59c

arch/microblaze/include/asm/thread_info.h

+2 −0
Original line number Diff line number Diff line
@@ -107,6 +107,7 @@ static inline struct thread_info *current_thread_info(void) 
#define TIF_NEED_RESCHED	3 /* rescheduling necessary */

/* restore singlestep on return to user mode */

#define TIF_SINGLESTEP		4

#define TIF_NOTIFY_SIGNAL	5	/* signal notifications exist */

#define TIF_MEMDIE		6	/* is terminating due to OOM killer */

#define TIF_SYSCALL_AUDIT	9       /* syscall auditing active */

#define TIF_SECCOMP		10      /* secure computing */
@@ -119,6 +120,7 @@ static inline struct thread_info *current_thread_info(void) 
#define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)

#define _TIF_NEED_RESCHED	(1 << TIF_NEED_RESCHED)

#define _TIF_SINGLESTEP		(1 << TIF_SINGLESTEP)

#define _TIF_NOTIFY_SIGNAL	(1 << TIF_NOTIFY_SIGNAL)

#define _TIF_POLLING_NRFLAG	(1 << TIF_POLLING_NRFLAG)

#define _TIF_SYSCALL_AUDIT	(1 << TIF_SYSCALL_AUDIT)

#define _TIF_SECCOMP		(1 << TIF_SECCOMP)

arch/microblaze/kernel/signal.c

+2 −1
Original line number Diff line number Diff line
@@ -313,7 +313,8 @@ static void do_signal(struct pt_regs *regs, int in_syscall) 


asmlinkage void do_notify_resume(struct pt_regs *regs, int in_syscall)

{

	if (test_thread_flag(TIF_SIGPENDING))

	if (test_thread_flag(TIF_SIGPENDING) ||

	    test_thread_flag(TIF_NOTIFY_SIGNAL))

		do_signal(regs, in_syscall);



	if (test_thread_flag(TIF_NOTIFY_RESUME))

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