diff options
| author | Jens Axboe <axboe@kernel.dk> | 2020-10-09 15:24:46 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-11-09 08:16:55 -0700 |
| commit | e181c0aa2e532af2b17128fbde699f8578cc0562 (patch) | |
| tree | aa5c7819c1c800e77266cc3181a5b4bcab57b2fb | |
| parent | 6d3a273355e3c8471ddf9e8ce9a7cc4472bf1ccc (diff) | |
openrisc: add support for TIF_NOTIFY_SIGNAL
Wire up TIF_NOTIFY_SIGNAL handling for openrisc.
Cc: openrisc@lists.librecores.org
Acked-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | arch/openrisc/include/asm/thread_info.h | 2 | ||||
| -rw-r--r-- | arch/openrisc/kernel/signal.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/arch/openrisc/include/asm/thread_info.h b/arch/openrisc/include/asm/thread_info.h index 9afe68bc423b..4f9d2a261455 100644 --- a/arch/openrisc/include/asm/thread_info.h +++ b/arch/openrisc/include/asm/thread_info.h @@ -98,6 +98,7 @@ register struct thread_info *current_thread_info_reg asm("r10"); #define TIF_SINGLESTEP 4 /* restore singlestep on return to user * mode */ +#define TIF_NOTIFY_SIGNAL 5 /* signal notifications exist */ #define TIF_SYSCALL_TRACEPOINT 8 /* for ftrace syscall instrumentation */ #define TIF_RESTORE_SIGMASK 9 #define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling * TIF_NEED_RESCHED @@ -109,6 +110,7 @@ register struct thread_info *current_thread_info_reg asm("r10"); #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) +#define _TIF_NOTIFY_SIGNAL (1<<TIF_NOTIFY_SIGNAL) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) diff --git a/arch/openrisc/kernel/signal.c b/arch/openrisc/kernel/signal.c index af66f968dd45..1ebcff271096 100644 --- a/arch/openrisc/kernel/signal.c +++ b/arch/openrisc/kernel/signal.c @@ -299,7 +299,7 @@ do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall) if (unlikely(!user_mode(regs))) return 0; local_irq_enable(); - if (thread_flags & _TIF_SIGPENDING) { + if (thread_flags & (_TIF_SIGPENDING|_TIF_NOTIFY_SIGNAL)) { int restart = do_signal(regs, syscall); if (unlikely(restart)) { /* |