parisc: add support for TIF_NOTIFY_SIGNAL

[ Upstream commit 18cb3281285d2190c0605d2e53543802319bd1a1 ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h
index 285757544cca230d5714bf72fb7679ef70096a48..0bd38a972ceab5fe577068c24f7412d9c2490535 100644 (file)
--- 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 8d6c9b88eb3f2cec74238089278015f4d08bbfac..db1a47cf424ddef417e6ab081123abc6872549e8 100644 (file)
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -609,7 +609,8 @@ 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))