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[PATCH] s390: signal delivery

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Always create all signal frames for pending signals before returning to
userspace, not just a single one.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Heiko Carstens 2005-11-07 00:59:02 -08:00 committed by Linus Torvalds
parent aa3a6f456f
commit e1c3ad96f6
2 changed files with 4 additions and 4 deletions
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4
arch/s390/kernel/entry.S
View File

@ -288,7 +288,7 @@ sysc_sigpending:
bo BASED(sysc_restart) bo BASED(sysc_restart)
tm __TI_flags+3(%r9),_TIF_SINGLE_STEP tm __TI_flags+3(%r9),_TIF_SINGLE_STEP
bo BASED(sysc_singlestep) bo BASED(sysc_singlestep)
b BASED(sysc_leave) # out of here, do NOT recheck b BASED(sysc_work_loop)
# #
# _TIF_RESTART_SVC is set, set up registers and restart svc # _TIF_RESTART_SVC is set, set up registers and restart svc
@ -645,7 +645,7 @@ io_sigpending:
l %r1,BASED(.Ldo_signal) l %r1,BASED(.Ldo_signal)
basr %r14,%r1 # call do_signal basr %r14,%r1 # call do_signal
stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts
b BASED(io_leave) # out of here, do NOT recheck b BASED(io_work_loop)
/* /*
* External interrupt handler routine * External interrupt handler routine

4
arch/s390/kernel/entry64.S
View File

@ -283,7 +283,7 @@ sysc_sigpending:
jo sysc_restart jo sysc_restart
tm __TI_flags+7(%r9),_TIF_SINGLE_STEP tm __TI_flags+7(%r9),_TIF_SINGLE_STEP
jo sysc_singlestep jo sysc_singlestep
j sysc_leave # out of here, do NOT recheck j sysc_work_loop
# #
# _TIF_RESTART_SVC is set, set up registers and restart svc # _TIF_RESTART_SVC is set, set up registers and restart svc
@ -684,7 +684,7 @@ io_sigpending:
slgr %r3,%r3 # clear *oldset slgr %r3,%r3 # clear *oldset
brasl %r14,do_signal # call do_signal brasl %r14,do_signal # call do_signal
stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts
j sysc_leave # out of here, do NOT recheck j io_work_loop
/* /*
* External interrupt handler routine * External interrupt handler routine