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authorRoland McGrath <roland@redhat.com>2008-04-30 03:53:08 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-30 11:29:37 -0400
commit02a029b325854a98e76f0a79ab38bec13e66bd38 (patch)
tree02a12a03e9ed484101c3597ec31cc41c88aa1baa /arch/s390/kernel/entry64.S
parent7648d961fcb454d38e864d2d850bc30e078bf7e6 (diff)
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>
Diffstat (limited to 'arch/s390/kernel/entry64.S')
-rw-r--r--arch/s390/kernel/entry64.S12
1 files changed, 6 insertions, 6 deletions
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
52STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER 52STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER
53STACK_SIZE = 1 << STACK_SHIFT 53STACK_SIZE = 1 << STACK_SHIFT
54 54
55_TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \ 55_TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \
56 _TIF_MCCK_PENDING | _TIF_RESTART_SVC | _TIF_SINGLE_STEP ) 56 _TIF_MCCK_PENDING | _TIF_RESTART_SVC | _TIF_SINGLE_STEP )
57_TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \ 57_TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \
58 _TIF_MCCK_PENDING) 58 _TIF_MCCK_PENDING)
59 59
60#define BASED(name) name-system_call(%r13) 60#define BASED(name) name-system_call(%r13)
@@ -308,7 +308,7 @@ sysc_work:
308 jo sysc_mcck_pending 308 jo sysc_mcck_pending
309 tm __TI_flags+7(%r9),_TIF_NEED_RESCHED 309 tm __TI_flags+7(%r9),_TIF_NEED_RESCHED
310 jo sysc_reschedule 310 jo sysc_reschedule
311 tm __TI_flags+7(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK) 311 tm __TI_flags+7(%r9),_TIF_SIGPENDING
312 jnz sysc_sigpending 312 jnz sysc_sigpending
313 tm __TI_flags+7(%r9),_TIF_RESTART_SVC 313 tm __TI_flags+7(%r9),_TIF_RESTART_SVC
314 jo sysc_restart 314 jo sysc_restart
@@ -332,7 +332,7 @@ sysc_mcck_pending:
332 jg s390_handle_mcck # TIF bit will be cleared by handler 332 jg s390_handle_mcck # TIF bit will be cleared by handler
333 333
334# 334#
335# _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal 335# _TIF_SIGPENDING is set, call do_signal
336# 336#
337sysc_sigpending: 337sysc_sigpending:
338 ni __TI_flags+7(%r9),255-_TIF_SINGLE_STEP # clear TIF_SINGLE_STEP 338 ni __TI_flags+7(%r9),255-_TIF_SINGLE_STEP # clear TIF_SINGLE_STEP
@@ -648,7 +648,7 @@ io_work_loop:
648 jo io_mcck_pending 648 jo io_mcck_pending
649 tm __TI_flags+7(%r9),_TIF_NEED_RESCHED 649 tm __TI_flags+7(%r9),_TIF_NEED_RESCHED
650 jo io_reschedule 650 jo io_reschedule
651 tm __TI_flags+7(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK) 651 tm __TI_flags+7(%r9),_TIF_SIGPENDING
652 jnz io_sigpending 652 jnz io_sigpending
653 j io_restore 653 j io_restore
654io_work_done: 654io_work_done:
@@ -674,7 +674,7 @@ io_reschedule:
674 j io_work_loop 674 j io_work_loop
675 675
676# 676#
677# _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal 677# _TIF_SIGPENDING or is set, call do_signal
678# 678#
679io_sigpending: 679io_sigpending:
680 TRACE_IRQS_ON 680 TRACE_IRQS_ON