Commit 6d3a2733 authored by Jens Axboe's avatar Jens Axboe
Browse files

sh: add support for TIF_NOTIFY_SIGNAL 



Wire up TIF_NOTIFY_SIGNAL handling for sh.

Cc: linux-sh@vger.kernel.org
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent a5b3cd32

arch/sh/include/asm/thread_info.h

+3 −1
Original line number Diff line number Diff line
@@ -105,6 +105,7 @@ extern void init_thread_xstate(void); 
#define TIF_SYSCALL_TRACE	0	/* syscall trace active */

#define TIF_SIGPENDING		1	/* signal pending */

#define TIF_NEED_RESCHED	2	/* rescheduling necessary */

#define TIF_NOTIFY_SIGNAL	3	/* signal notifications exist */

#define TIF_SINGLESTEP		4	/* singlestepping active */

#define TIF_SYSCALL_AUDIT	5	/* syscall auditing active */

#define TIF_SECCOMP		6	/* secure computing */
@@ -116,6 +117,7 @@ extern void init_thread_xstate(void); 
#define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)

#define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)

#define _TIF_NEED_RESCHED	(1 << TIF_NEED_RESCHED)

#define _TIF_NOTIFY_SIGNAL	(1 << TIF_NOTIFY_SIGNAL)

#define _TIF_SINGLESTEP		(1 << TIF_SINGLESTEP)

#define _TIF_SYSCALL_AUDIT	(1 << TIF_SYSCALL_AUDIT)

#define _TIF_SECCOMP		(1 << TIF_SECCOMP)
@@ -132,7 +134,7 @@ extern void init_thread_xstate(void); 
#define _TIF_ALLWORK_MASK	(_TIF_SYSCALL_TRACE | _TIF_SIGPENDING      | \

				 _TIF_NEED_RESCHED  | _TIF_SYSCALL_AUDIT   | \

				 _TIF_SINGLESTEP    | _TIF_NOTIFY_RESUME   | \

				 _TIF_SYSCALL_TRACEPOINT)

				 _TIF_SYSCALL_TRACEPOINT | _TIF_NOTIFY_SIGNAL)



/* work to do on interrupt/exception return */

#define _TIF_WORK_MASK		(_TIF_ALLWORK_MASK & ~(_TIF_SYSCALL_TRACE | \

arch/sh/kernel/signal_32.c

+1 −1
Original line number Diff line number Diff line
@@ -499,7 +499,7 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned int save_r0, 
				 unsigned long thread_info_flags)

{

	/* deal with pending signal delivery */

	if (thread_info_flags & _TIF_SIGPENDING)

	if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL))

		do_signal(regs, save_r0);



	if (thread_info_flags & _TIF_NOTIFY_RESUME)