From: Jens Axboe <axboe@xxxxxxxxx>
[ Upstream commit 42020064274c235d720d9c4b7d9a678b133e59cf ]
Wire up TIF_NOTIFY_SIGNAL handling for nios32.
Cc: Ley Foon Tan <ley.foon.tan@xxxxxxxxx>
Acked-by: Ley Foon Tan <ley.foon.tan@xxxxxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/nios2/include/asm/thread_info.h | 2 ++
arch/nios2/kernel/signal.c | 3 ++-
2 files changed, 4 insertions(+), 1 deletion(-)
--- a/arch/nios2/include/asm/thread_info.h
+++ b/arch/nios2/include/asm/thread_info.h
@@ -86,6 +86,7 @@ static inline struct thread_info *curren
#define TIF_MEMDIE 4 /* is terminating due to OOM killer */
#define TIF_SECCOMP 5 /* secure computing */
#define TIF_SYSCALL_AUDIT 6 /* syscall auditing active */
+#define TIF_NOTIFY_SIGNAL 7 /* signal notifications exist */
#define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */
#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling
@@ -97,6 +98,7 @@ static inline struct thread_info *curren
#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
#define _TIF_SECCOMP (1 << TIF_SECCOMP)
#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT)
+#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL)
#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK)
#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
--- a/arch/nios2/kernel/signal.c
+++ b/arch/nios2/kernel/signal.c
@@ -309,7 +309,8 @@ asmlinkage int do_notify_resume(struct p
if (!user_mode(regs))
return 0;
- if (test_thread_flag(TIF_SIGPENDING)) {
+ if (test_thread_flag(TIF_SIGPENDING) ||
+ test_thread_flag(TIF_NOTIFY_SIGNAL)) {
int restart = do_signal(regs);
if (unlikely(restart)) {
