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authorJens Axboe <axboe@kernel.dk>2020-10-09 15:21:21 -0600
committerJens Axboe <axboe@kernel.dk>2020-11-09 08:16:55 -0700
commit42020064274c235d720d9c4b7d9a678b133e59cf (patch)
treef1a2dcb1520bcbc6f41bfa02e1d6240bdabf3109 /arch/nios2
parente660653cd9f2df470d156c249631f68b9dee51ee (diff)
downloadlinux-42020064274c235d720d9c4b7d9a678b133e59cf.tar.gz
nios32: add support for TIF_NOTIFY_SIGNAL
Wire up TIF_NOTIFY_SIGNAL handling for nios32.

Cc: Ley Foon Tan <ley.foon.tan@intel.com>
Acked-by: Ley Foon Tan <ley.foon.tan@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'arch/nios2')
-rw-r--r--arch/nios2/include/asm/thread_info.h2
-rw-r--r--arch/nios2/kernel/signal.c3
2 files changed, 4 insertions, 1 deletions
diff --git a/arch/nios2/include/asm/thread_info.h b/arch/nios2/include/asm/thread_info.h
index 7349a4fa635b..272d2c72a727 100644
--- 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 *current_thread_info(void)
 #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 *current_thread_info(void)
 #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)
 
diff --git a/arch/nios2/kernel/signal.c b/arch/nios2/kernel/signal.c
index cf2dca2ac7c3..2009ae2d3c3b 100644
--- a/arch/nios2/kernel/signal.c
+++ b/arch/nios2/kernel/signal.c
@@ -306,7 +306,8 @@ asmlinkage int do_notify_resume(struct pt_regs *regs)
 	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)) {