h8300: add support for TIF_NOTIFY_SIGNAL

Wire up TIF_NOTIFY_SIGNAL handling for h8300.

Cc: uclinux-h8-devel@lists.sourceforge.jp
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/arch/h8300/include/asm/thread_info.h b/arch/h8300/include/asm/thread_info.h
index 0cdaa30..a518214 100644 (file)
--- a/arch/h8300/include/asm/thread_info.h
+++ b/arch/h8300/include/asm/thread_info.h
@@ -73,6 +73,7 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_SYSCALL_AUDIT      7       /* syscall auditing active */
 #define TIF_SYSCALL_TRACEPOINT 8       /* for ftrace syscall instrumentation */
 #define TIF_POLLING_NRFLAG     9       /* true if poll_idle() is polling TIF_NEED_RESCHED */
+#define TIF_NOTIFY_SIGNAL      10      /* signal notifications exist */
 
 /* as above, but as bit values */
 #define _TIF_SYSCALL_TRACE     (1 << TIF_SYSCALL_TRACE)
@@ -83,6 +84,7 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_SYSCALL_AUDIT     (1 << TIF_SYSCALL_AUDIT)
 #define _TIF_SYSCALL_TRACEPOINT        (1 << TIF_SYSCALL_TRACEPOINT)
 #define _TIF_POLLING_NRFLAG    (1 << TIF_POLLING_NRFLAG)
+#define _TIF_NOTIFY_SIGNAL     (1 << TIF_NOTIFY_SIGNAL)
 
 /* work to do in syscall trace */
 #define _TIF_WORK_SYSCALL_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \
@@ -92,7 +94,7 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_ALLWORK_MASK      (_TIF_SYSCALL_TRACE | _TIF_SIGPENDING      | \
                                 _TIF_NEED_RESCHED  | _TIF_SYSCALL_AUDIT   | \
                                 _TIF_SINGLESTEP    | _TIF_NOTIFY_RESUME   | \
-                                _TIF_SYSCALL_TRACEPOINT)
+                                _TIF_SYSCALL_TRACEPOINT | _TIF_NOTIFY_SIGNAL)
 
 /* work to do on interrupt/exception return */
 #define _TIF_WORK_MASK         (_TIF_ALLWORK_MASK & ~(_TIF_SYSCALL_TRACE | \

diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c
index 75d9b7e..75a1c36 100644 (file)
--- a/arch/h8300/kernel/signal.c
+++ b/arch/h8300/kernel/signal.c
@@ -279,7 +279,7 @@ static void do_signal(struct pt_regs *regs)
 
 asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags)
 {
-       if (thread_info_flags & _TIF_SIGPENDING)
+       if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL))
                do_signal(regs);
 
        if (thread_info_flags & _TIF_NOTIFY_RESUME)