diff options
| author | Jens Axboe <axboe@kernel.dk> | 2020-10-29 10:23:12 -0600 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2020-12-13 22:21:02 +0100 |
| commit | 09041c92f0aacbb6f5a252351d6e0a9e0ee9bcc5 (patch) | |
| tree | e3ba4e8afeb69bd0c1598b56238d9671535c4815 | |
| parent | 72d3e093afae79611fa38f8f2cfab9a888fe66f2 (diff) | |
| download | linux-stable-09041c92f0aacbb6f5a252351d6e0a9e0ee9bcc5.tar.gz | |
um: Add support for TIF_NOTIFY_SIGNAL
Wire up TIF_NOTIFY_SIGNAL handling for um.
Cc: linux-um@lists.infradead.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-By: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
| -rw-r--r-- | arch/um/include/asm/thread_info.h | 2 | ||||
| -rw-r--r-- | arch/um/kernel/process.c | 3 |
2 files changed, 4 insertions, 1 deletions
diff --git a/arch/um/include/asm/thread_info.h b/arch/um/include/asm/thread_info.h index 4c19ce4c49f1..3b1cb8b3b186 100644 --- a/arch/um/include/asm/thread_info.h +++ b/arch/um/include/asm/thread_info.h @@ -57,6 +57,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ #define TIF_SIGPENDING 1 /* signal pending */ #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ +#define TIF_NOTIFY_SIGNAL 3 /* signal notifications exist */ #define TIF_RESTART_BLOCK 4 #define TIF_MEMDIE 5 /* is terminating due to OOM killer */ #define TIF_SYSCALL_AUDIT 6 @@ -67,6 +68,7 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) +#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL) #define _TIF_MEMDIE (1 << TIF_MEMDIE) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP (1 << TIF_SECCOMP) diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index 9505a7e87396..0fcdc374a9a1 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -99,7 +99,8 @@ void interrupt_end(void) if (need_resched()) schedule(); - if (test_thread_flag(TIF_SIGPENDING)) + if (test_thread_flag(TIF_SIGPENDING) || + test_thread_flag(TIF_NOTIFY_SIGNAL)) do_signal(regs); if (test_thread_flag(TIF_NOTIFY_RESUME)) tracehook_notify_resume(regs); |