signals: s390: renumber TIF_RESTORE_SIGMASK

TIF_RESTORE_SIGMASK no longer needs to be in the _TIF_WORK_* masks.  Those low
bits are scarce, and are all used up now.  Renumber TIF_RESTORE_SIGMASK to
free one up.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 13 insertions, 13 deletions

diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 6766e37fe8ea..bdbb3bcd78a5 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -49,9 +49,9 @@ SP_ILC	     =	STACK_FRAME_OVERHEAD + __PT_ILC
 SP_TRAP      =  STACK_FRAME_OVERHEAD + __PT_TRAP
 SP_SIZE      =  STACK_FRAME_OVERHEAD + __PT_SIZE
 
-_TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \
+_TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \
                  _TIF_MCCK_PENDING | _TIF_RESTART_SVC | _TIF_SINGLE_STEP )
-_TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \
+_TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \
                  _TIF_MCCK_PENDING)
 
 STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER
@@ -316,7 +316,7 @@ sysc_work:
         bo      BASED(sysc_mcck_pending)
         tm      __TI_flags+3(%r9),_TIF_NEED_RESCHED
         bo      BASED(sysc_reschedule)
-        tm      __TI_flags+3(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)
+        tm      __TI_flags+3(%r9),_TIF_SIGPENDING
         bnz     BASED(sysc_sigpending)
         tm      __TI_flags+3(%r9),_TIF_RESTART_SVC
         bo      BASED(sysc_restart)
@@ -342,7 +342,7 @@ sysc_mcck_pending:
         br      %r1                     # TIF bit will be cleared by handler
 
 #
-# _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal
+# _TIF_SIGPENDING is set, call do_signal
 #
 sysc_sigpending:
         ni      __TI_flags+3(%r9),255-_TIF_SINGLE_STEP # clear TIF_SINGLE_STEP
@@ -657,7 +657,7 @@ io_work:
         lr      %r15,%r1
 #
 # One of the work bits is on. Find out which one.
-# Checked are: _TIF_SIGPENDING, _TIF_RESTORE_SIGMASK, _TIF_NEED_RESCHED
+# Checked are: _TIF_SIGPENDING, _TIF_NEED_RESCHED
 #               and _TIF_MCCK_PENDING
 #
 io_work_loop:
@@ -665,7 +665,7 @@ io_work_loop:
         bo      BASED(io_mcck_pending)
         tm      __TI_flags+3(%r9),_TIF_NEED_RESCHED
         bo      BASED(io_reschedule)
-        tm      __TI_flags+3(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)
+        tm      __TI_flags+3(%r9),_TIF_SIGPENDING
         bnz     BASED(io_sigpending)
         b       BASED(io_restore)
 io_work_done:
@@ -693,7 +693,7 @@ io_reschedule:
         b       BASED(io_work_loop)
 
 #
-# _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal
+# _TIF_SIGPENDING is set, call do_signal
 #
 io_sigpending:
         TRACE_IRQS_ON
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index cd959c0b2e16..5a4a7bcd2bba 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -52,9 +52,9 @@ SP_SIZE      =	STACK_FRAME_OVERHEAD + __PT_SIZE
 STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER
 STACK_SIZE  = 1 << STACK_SHIFT
 
-_TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \
+_TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \
                  _TIF_MCCK_PENDING | _TIF_RESTART_SVC | _TIF_SINGLE_STEP )
-_TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \
+_TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \
                  _TIF_MCCK_PENDING)
 
 #define BASED(name) name-system_call(%r13)
@@ -308,7 +308,7 @@ sysc_work:
         jo      sysc_mcck_pending
         tm      __TI_flags+7(%r9),_TIF_NEED_RESCHED
         jo      sysc_reschedule
-        tm      __TI_flags+7(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)
+        tm      __TI_flags+7(%r9),_TIF_SIGPENDING
         jnz     sysc_sigpending
         tm      __TI_flags+7(%r9),_TIF_RESTART_SVC
         jo      sysc_restart
@@ -332,7 +332,7 @@ sysc_mcck_pending:
         jg      s390_handle_mcck        # TIF bit will be cleared by handler
 
 #
-# _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal
+# _TIF_SIGPENDING is set, call do_signal
 #
 sysc_sigpending:
         ni      __TI_flags+7(%r9),255-_TIF_SINGLE_STEP # clear TIF_SINGLE_STEP
@@ -648,7 +648,7 @@ io_work_loop:
         jo      io_mcck_pending
         tm      __TI_flags+7(%r9),_TIF_NEED_RESCHED
         jo      io_reschedule
-        tm      __TI_flags+7(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)
+        tm      __TI_flags+7(%r9),_TIF_SIGPENDING
         jnz     io_sigpending
         j       io_restore
 io_work_done:
@@ -674,7 +674,7 @@ io_reschedule:
         j       io_work_loop
 
 #
-# _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal
+# _TIF_SIGPENDING or is set, call do_signal
 #
 io_sigpending:
         TRACE_IRQS_ON