diff options
author | Jens Axboe <axboe@kernel.dk> | 2020-10-29 10:16:19 -0600 |
---|---|---|
committer | Michal Simek <michal.simek@xilinx.com> | 2020-11-10 18:07:09 +0100 |
commit | ed2124c0b9a8d2c09e3b5b9ca9827187c5fcbe71 (patch) | |
tree | 9e3c585ae215bebe78e7b3d4c422f9d0b346b2c1 | |
parent | e167a59c654a788cacbb0c2dd93859a715824d5c (diff) | |
download | linux-ed2124c0b9a8d2c09e3b5b9ca9827187c5fcbe71.tar.bz2 |
microblaze: add support for TIF_NOTIFY_SIGNAL
Wire up TIF_NOTIFY_SIGNAL handling for microblaze.
Cc: Michal Simek <monstr@monstr.eu>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Link: https://lore.kernel.org/r/a2b78afc-5f60-8590-9df5-17302e356552@kernel.dk
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
-rw-r--r-- | arch/microblaze/include/asm/thread_info.h | 2 | ||||
-rw-r--r-- | arch/microblaze/kernel/signal.c | 3 |
2 files changed, 4 insertions, 1 deletions
diff --git a/arch/microblaze/include/asm/thread_info.h b/arch/microblaze/include/asm/thread_info.h index ad8e8fcb90d3..44f5ca331862 100644 --- a/arch/microblaze/include/asm/thread_info.h +++ b/arch/microblaze/include/asm/thread_info.h @@ -107,6 +107,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ /* restore singlestep on return to user mode */ #define TIF_SINGLESTEP 4 +#define TIF_NOTIFY_SIGNAL 5 /* signal notifications exist */ #define TIF_MEMDIE 6 /* is terminating due to OOM killer */ #define TIF_SYSCALL_AUDIT 9 /* syscall auditing active */ #define TIF_SECCOMP 10 /* secure computing */ @@ -119,6 +120,7 @@ static inline struct thread_info *current_thread_info(void) #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) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP (1 << TIF_SECCOMP) diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c index f11a0ccccabc..5a8d173d7b75 100644 --- a/arch/microblaze/kernel/signal.c +++ b/arch/microblaze/kernel/signal.c @@ -313,7 +313,8 @@ static void do_signal(struct pt_regs *regs, int in_syscall) asmlinkage void do_notify_resume(struct pt_regs *regs, int in_syscall) { - if (test_thread_flag(TIF_SIGPENDING)) + if (test_thread_flag(TIF_SIGPENDING) || + test_thread_flag(TIF_NOTIFY_SIGNAL)) do_signal(regs, in_syscall); if (test_thread_flag(TIF_NOTIFY_RESUME)) |