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Commit e1c3ad96 authored Nov 07, 2005 by Heiko Carstens Committed by Linus Torvalds Nov 07, 2005

[PATCH] s390: signal delivery



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>

parent aa3a6f45

arch/s390/kernel/entry.S

+2 −2

Original line number	Diff line number	Diff line
		@@ -288,7 +288,7 @@ sysc_sigpending:
		bo BASED(sysc_restart)
		tm __TI_flags+3(%r9),_TIF_SINGLE_STEP
		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
		@@ -645,7 +645,7 @@ io_sigpending:
		l %r1,BASED(.Ldo_signal)
		basr %r14,%r1 # call do_signal
		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

arch/s390/kernel/entry64.S

+2 −2

Original line number	Diff line number	Diff line
		@@ -283,7 +283,7 @@ sysc_sigpending:
		jo sysc_restart
		tm __TI_flags+7(%r9),_TIF_SINGLE_STEP
		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
		@@ -684,7 +684,7 @@ io_sigpending:
		slgr %r3,%r3 # clear *oldset
		brasl %r14,do_signal # call do_signal
		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