diff options
| author | Jens Axboe <axboe@kernel.dk> | 2020-10-09 14:35:34 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-12-12 09:17:34 -0700 |
| commit | 6d665a4d8b4264def0fbb72da3a500d9904ffe3e (patch) | |
| tree | c53ccdf9b6202214fc45820b5c1846253607bbad | |
| parent | 5a9a8897c253a075805401d38d987ec1ac1824b6 (diff) | |
c6x: add support for TIF_NOTIFY_SIGNAL
Wire up TIF_NOTIFY_SIGNAL handling for c6x.
Cc: linux-c6x-dev@linux-c6x.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | arch/c6x/include/asm/thread_info.h | 1 | ||||
| -rw-r--r-- | arch/c6x/kernel/asm-offsets.c | 1 | ||||
| -rw-r--r-- | arch/c6x/kernel/signal.c | 3 |
3 files changed, 4 insertions, 1 deletions
diff --git a/arch/c6x/include/asm/thread_info.h b/arch/c6x/include/asm/thread_info.h index f70382844b96..dd8913d57189 100644 --- a/arch/c6x/include/asm/thread_info.h +++ b/arch/c6x/include/asm/thread_info.h @@ -82,6 +82,7 @@ struct thread_info *current_thread_info(void) #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_RESTORE_SIGMASK 4 /* restore signal mask in do_signal() */ +#define TIF_NOTIFY_SIGNAL 5 /* signal notifications exist */ #define TIF_MEMDIE 17 /* OOM killer killed process */ diff --git a/arch/c6x/kernel/asm-offsets.c b/arch/c6x/kernel/asm-offsets.c index 0f8fde494875..4a264ef87dcb 100644 --- a/arch/c6x/kernel/asm-offsets.c +++ b/arch/c6x/kernel/asm-offsets.c @@ -116,6 +116,7 @@ void foo(void) DEFINE(_TIF_NOTIFY_RESUME, (1<<TIF_NOTIFY_RESUME)); DEFINE(_TIF_SIGPENDING, (1<<TIF_SIGPENDING)); DEFINE(_TIF_NEED_RESCHED, (1<<TIF_NEED_RESCHED)); + DEFINE(_TIF_NOTIFY_SIGNAL, (1<<TIF_NOTIFY_SIGNAL)); DEFINE(_TIF_ALLWORK_MASK, TIF_ALLWORK_MASK); DEFINE(_TIF_WORK_MASK, TIF_WORK_MASK); diff --git a/arch/c6x/kernel/signal.c b/arch/c6x/kernel/signal.c index a3f15b9a79da..862460c3b183 100644 --- a/arch/c6x/kernel/signal.c +++ b/arch/c6x/kernel/signal.c @@ -13,6 +13,7 @@ #include <linux/syscalls.h> #include <linux/tracehook.h> +#include <asm/asm-offsets.h> #include <asm/ucontext.h> #include <asm/cacheflush.h> @@ -313,7 +314,7 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags, int syscall) { /* deal with pending signal delivery */ - if (thread_info_flags & (1 << TIF_SIGPENDING)) + if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL)) do_signal(regs, syscall); if (thread_info_flags & (1 << TIF_NOTIFY_RESUME)) |