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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/entry.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/entry.S')
-rw-r--r--arch/s390/kernel/entry.S14
1 files changed, 7 insertions, 7 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
49SP_TRAP = STACK_FRAME_OVERHEAD + __PT_TRAP 49SP_TRAP = STACK_FRAME_OVERHEAD + __PT_TRAP
50SP_SIZE = STACK_FRAME_OVERHEAD + __PT_SIZE 50SP_SIZE = STACK_FRAME_OVERHEAD + __PT_SIZE
51 51
52_TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \ 52_TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \
53 _TIF_MCCK_PENDING | _TIF_RESTART_SVC | _TIF_SINGLE_STEP ) 53 _TIF_MCCK_PENDING | _TIF_RESTART_SVC | _TIF_SINGLE_STEP )
54_TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \ 54_TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \
55 _TIF_MCCK_PENDING) 55 _TIF_MCCK_PENDING)
56 56
57STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER 57STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER
@@ -316,7 +316,7 @@ sysc_work:
316 bo BASED(sysc_mcck_pending) 316 bo BASED(sysc_mcck_pending)
317 tm __TI_flags+3(%r9),_TIF_NEED_RESCHED 317 tm __TI_flags+3(%r9),_TIF_NEED_RESCHED
318 bo BASED(sysc_reschedule) 318 bo BASED(sysc_reschedule)
319 tm __TI_flags+3(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK) 319 tm __TI_flags+3(%r9),_TIF_SIGPENDING
320 bnz BASED(sysc_sigpending) 320 bnz BASED(sysc_sigpending)
321 tm __TI_flags+3(%r9),_TIF_RESTART_SVC 321 tm __TI_flags+3(%r9),_TIF_RESTART_SVC
322 bo BASED(sysc_restart) 322 bo BASED(sysc_restart)
@@ -342,7 +342,7 @@ sysc_mcck_pending:
342 br %r1 # TIF bit will be cleared by handler 342 br %r1 # TIF bit will be cleared by handler
343 343
344# 344#
345# _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal 345# _TIF_SIGPENDING is set, call do_signal
346# 346#
347sysc_sigpending: 347sysc_sigpending:
348 ni __TI_flags+3(%r9),255-_TIF_SINGLE_STEP # clear TIF_SINGLE_STEP 348 ni __TI_flags+3(%r9),255-_TIF_SINGLE_STEP # clear TIF_SINGLE_STEP
@@ -657,7 +657,7 @@ io_work:
657 lr %r15,%r1 657 lr %r15,%r1
658# 658#
659# One of the work bits is on. Find out which one. 659# One of the work bits is on. Find out which one.
660# Checked are: _TIF_SIGPENDING, _TIF_RESTORE_SIGMASK, _TIF_NEED_RESCHED 660# Checked are: _TIF_SIGPENDING, _TIF_NEED_RESCHED
661# and _TIF_MCCK_PENDING 661# and _TIF_MCCK_PENDING
662# 662#
663io_work_loop: 663io_work_loop:
@@ -665,7 +665,7 @@ io_work_loop:
665 bo BASED(io_mcck_pending) 665 bo BASED(io_mcck_pending)
666 tm __TI_flags+3(%r9),_TIF_NEED_RESCHED 666 tm __TI_flags+3(%r9),_TIF_NEED_RESCHED
667 bo BASED(io_reschedule) 667 bo BASED(io_reschedule)
668 tm __TI_flags+3(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK) 668 tm __TI_flags+3(%r9),_TIF_SIGPENDING
669 bnz BASED(io_sigpending) 669 bnz BASED(io_sigpending)
670 b BASED(io_restore) 670 b BASED(io_restore)
671io_work_done: 671io_work_done:
@@ -693,7 +693,7 @@ io_reschedule:
693 b BASED(io_work_loop) 693 b BASED(io_work_loop)
694 694
695# 695#
696# _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal 696# _TIF_SIGPENDING is set, call do_signal
697# 697#
698io_sigpending: 698io_sigpending:
699 TRACE_IRQS_ON 699 TRACE_IRQS_ON