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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>
This commit is contained in:
Jens Axboe 2020-10-09 15:10:55 -06:00
parent 192caabd4d
commit e660653cd9
2 changed files with 3 additions and 1 deletions
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1
arch/m68k/include/asm/thread_info.h
View File

@ -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 */

3
arch/m68k/kernel/signal.c
View File

@ -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))