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authorJens Axboe <axboe@kernel.dk>2020-10-09 14:39:00 -0600
committerJens Axboe <axboe@kernel.dk>2020-11-09 08:16:55 -0700
commitf3924d763c8af4c5d441b666c01f4de03ac9449e (patch)
treed905e8b8151aa871dba5dfeab2279162c5c462bf /arch/csky
parente181c0aa2e532af2b17128fbde699f8578cc0562 (diff)
csky: add support for TIF_NOTIFY_SIGNAL
Wire up TIF_NOTIFY_SIGNAL handling for csky. Cc: linux-csky@vger.kernel.org Acked-by: Guo Ren <guoren@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'arch/csky')
-rw-r--r--arch/csky/include/asm/thread_info.h5
-rw-r--r--arch/csky/kernel/signal.c2
2 files changed, 5 insertions, 2 deletions
diff --git a/arch/csky/include/asm/thread_info.h b/arch/csky/include/asm/thread_info.h
index 68e7a1227170..21456a3737c2 100644
--- a/arch/csky/include/asm/thread_info.h
+++ b/arch/csky/include/asm/thread_info.h
@@ -64,6 +64,7 @@ static inline struct thread_info *current_thread_info(void)
#define TIF_SYSCALL_TRACE 4 /* syscall trace active */
#define TIF_SYSCALL_TRACEPOINT 5 /* syscall tracepoint instrumentation */
#define TIF_SYSCALL_AUDIT 6 /* syscall auditing */
+#define TIF_NOTIFY_SIGNAL 7 /* signal notifications exist */
#define TIF_POLLING_NRFLAG 16 /* poll_idle() is TIF_NEED_RESCHED */
#define TIF_MEMDIE 18 /* is terminating due to OOM killer */
#define TIF_RESTORE_SIGMASK 20 /* restore signal mask in do_signal() */
@@ -75,6 +76,7 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
#define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT)
#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT)
+#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL)
#define _TIF_UPROBE (1 << TIF_UPROBE)
#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
#define _TIF_MEMDIE (1 << TIF_MEMDIE)
@@ -82,7 +84,8 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_SECCOMP (1 << TIF_SECCOMP)
#define _TIF_WORK_MASK (_TIF_NEED_RESCHED | _TIF_SIGPENDING | \
- _TIF_NOTIFY_RESUME | _TIF_UPROBE)
+ _TIF_NOTIFY_RESUME | _TIF_UPROBE | \
+ _TIF_NOTIFY_SIGNAL)
#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \
_TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP)
diff --git a/arch/csky/kernel/signal.c b/arch/csky/kernel/signal.c
index 8b068cf37447..37ea64ed3c12 100644
--- a/arch/csky/kernel/signal.c
+++ b/arch/csky/kernel/signal.c
@@ -257,7 +257,7 @@ asmlinkage void do_notify_resume(struct pt_regs *regs,
uprobe_notify_resume(regs);
/* Handle pending signal delivery */
- if (thread_info_flags & _TIF_SIGPENDING)
+ if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL))
do_signal(regs);
if (thread_info_flags & _TIF_NOTIFY_RESUME) {