[PARISC] Add TIF_RESTORE_SIGMASK support

And unmask the pselect6/ppoll system calls.

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

2 files changed, 5 insertions, 1 deletions

diff --git a/include/asm-parisc/thread_info.h b/include/asm-parisc/thread_info.h
index f2f83b04cd8b..949314cf6188 100644
--- a/include/asm-parisc/thread_info.h
+++ b/include/asm-parisc/thread_info.h
@@ -62,6 +62,7 @@ struct thread_info {
 #define TIF_POLLING_NRFLAG      4       /* true if poll_idle() is polling TIF_NEED_RESCHED */
 #define TIF_32BIT               5       /* 32 bit binary */
 #define TIF_MEMDIE              6
+#define TIF_RESTORE_SIGMASK     7       /* restore saved signal mask */
 
 #define _TIF_SYSCALL_TRACE      (1 << TIF_SYSCALL_TRACE)
 #define _TIF_NOTIFY_RESUME      (1 << TIF_NOTIFY_RESUME)
@@ -69,9 +70,10 @@ struct thread_info {
 #define _TIF_NEED_RESCHED       (1 << TIF_NEED_RESCHED)
 #define _TIF_POLLING_NRFLAG     (1 << TIF_POLLING_NRFLAG)
 #define _TIF_32BIT              (1 << TIF_32BIT)
+#define _TIF_RESTORE_SIGMASK    (1 << TIF_RESTORE_SIGMASK)
 
 #define _TIF_USER_WORK_MASK     (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING | \
-                                 _TIF_NEED_RESCHED)
+                                 _TIF_NEED_RESCHED | _TIF_RESTORE_SIGMASK)
 
 #endif /* __KERNEL__ */
 
diff --git a/include/asm-parisc/unistd.h b/include/asm-parisc/unistd.h
index 3fb37cfcb864..7c1bb8b0a96b 100644
--- a/include/asm-parisc/unistd.h
+++ b/include/asm-parisc/unistd.h
@@ -955,6 +955,8 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5)	\
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
 #define __ARCH_WANT_SYS_RT_SIGACTION
+#define __ARCH_WANT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
 
 #endif /* __ASSEMBLY__ */