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authorJens Axboe <axboe@kernel.dk>2020-10-10 00:27:02 +0300
committerJens Axboe <axboe@kernel.dk>2020-11-09 18:16:55 +0300
commit18cb3281285d2190c0605d2e53543802319bd1a1 (patch)
tree646b2cbed17e75cba532579b380abb476b0cdd60 /arch/parisc
parent42020064274c235d720d9c4b7d9a678b133e59cf (diff)
downloadlinux-18cb3281285d2190c0605d2e53543802319bd1a1.tar.xz
parisc: add support for TIF_NOTIFY_SIGNAL
Wire up TIF_NOTIFY_SIGNAL handling for parisc. Cc: linux-parisc@vger.kernel.org Acked-by: Helge Deller <deller@gmx.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/include/asm/thread_info.h4
-rw-r--r--arch/parisc/kernel/signal.c3
2 files changed, 5 insertions, 2 deletions
diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h
index 285757544cca..0bd38a972cea 100644
--- a/arch/parisc/include/asm/thread_info.h
+++ b/arch/parisc/include/asm/thread_info.h
@@ -52,6 +52,7 @@ struct thread_info {
#define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling TIF_NEED_RESCHED */
#define TIF_32BIT 4 /* 32 bit binary */
#define TIF_MEMDIE 5 /* is terminating due to OOM killer */
+#define TIF_NOTIFY_SIGNAL 6 /* signal notifications exist */
#define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */
#define TIF_NOTIFY_RESUME 8 /* callback before returning to user */
#define TIF_SINGLESTEP 9 /* single stepping? */
@@ -61,6 +62,7 @@ struct thread_info {
#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
+#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL)
#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
#define _TIF_32BIT (1 << TIF_32BIT)
@@ -72,7 +74,7 @@ struct thread_info {
#define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT)
#define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | \
- _TIF_NEED_RESCHED)
+ _TIF_NEED_RESCHED | _TIF_NOTIFY_SIGNAL)
#define _TIF_SYSCALL_TRACE_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \
_TIF_BLOCKSTEP | _TIF_SYSCALL_AUDIT | \
_TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT)
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 9f43eaeb0b0a..fb1e94a3982b 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -603,7 +603,8 @@ do_signal(struct pt_regs *regs, long in_syscall)
void do_notify_resume(struct pt_regs *regs, long 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))