Commit e660653c authored Oct 09, 2020 by Jens Axboe

m68k: add support for TIF_NOTIFY_SIGNAL



Wire up TIF_NOTIFY_SIGNAL handling for m68k.

Cc: linux-m68k@lists.linux-m68k.org
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent 192caabd

arch/m68k/include/asm/thread_info.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -60,6 +60,7 @@ static inline struct thread_info *current_thread_info(void)
		* bits 0-7 are tested at every exception exit
		* bits 8-15 are also tested at syscall exit
		*/
		#define TIF_NOTIFY_SIGNAL 4
		#define TIF_NOTIFY_RESUME 5 /* callback before returning to user */
		#define TIF_SIGPENDING 6 /* signal pending */
		#define TIF_NEED_RESCHED 7 /* rescheduling necessary */

arch/m68k/kernel/signal.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1133,7 +1133,8 @@ static void do_signal(struct pt_regs *regs)

		void do_notify_resume(struct pt_regs *regs)
		{
		if (test_thread_flag(TIF_SIGPENDING))
		if (test_thread_flag(TIF_NOTIFY_SIGNAL) \|\|
		test_thread_flag(TIF_SIGPENDING))
		do_signal(regs);

		if (test_thread_flag(TIF_NOTIFY_RESUME))