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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-15 10:40:41 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-15 10:40:41 -0700
commit419217cb1d0266f62cbea6cdc6b1d1324350bc34 (patch)
tree01f80c026cc94dfc13b3a16d2fce3ba41c69d54f /arch/s390/kernel/entry.S
parent4937ce87959629d31e9b09cf5bdf1e12a305c805 (diff)
parent14358e6ddaed27499d7d366b3e65c3e46b39e1c4 (diff)
Merge branch 'v2.6.24-lockdep' of git://git.kernel.org/pub/scm/linux/kernel/git/peterz/linux-2.6-lockdep
* 'v2.6.24-lockdep' of git://git.kernel.org/pub/scm/linux/kernel/git/peterz/linux-2.6-lockdep: lockdep: annotate dir vs file i_mutex lockdep: per filesystem inode lock class lockdep: annotate kprobes irq fiddling lockdep: annotate rcu_read_{,un}lock{,_bh} lockdep: annotate journal_start() lockdep: s390: connect the sysexit hook lockdep: x86_64: connect the sysexit hook lockdep: i386: connect the sysexit hook lockdep: syscall exit check lockdep: fixup mutex annotations lockdep: fix mismatched lockdep_depth/curr_chain_hash lockdep: Avoid /proc/lockdep & lock_stat infinite output lockdep: maintainers
Diffstat (limited to 'arch/s390/kernel/entry.S')
-rw-r--r--arch/s390/kernel/entry.S12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index f3bceb16532..139ca153d5c 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -68,9 +68,15 @@ STACK_SIZE = 1 << STACK_SHIFT
l %r1,BASED(.Ltrace_irq_off)
basr %r14,%r1
.endm
+
+ .macro LOCKDEP_SYS_EXIT
+ l %r1,BASED(.Llockdep_sys_exit)
+ basr %r14,%r1
+ .endm
#else
#define TRACE_IRQS_ON
#define TRACE_IRQS_OFF
+#define LOCKDEP_SYS_EXIT
#endif
/*
@@ -260,6 +266,7 @@ sysc_return:
bno BASED(sysc_leave)
tm __TI_flags+3(%r9),_TIF_WORK_SVC
bnz BASED(sysc_work) # there is work to do (signals etc.)
+ LOCKDEP_SYS_EXIT
sysc_leave:
RESTORE_ALL __LC_RETURN_PSW,1
@@ -283,6 +290,7 @@ sysc_work:
bo BASED(sysc_restart)
tm __TI_flags+3(%r9),_TIF_SINGLE_STEP
bo BASED(sysc_singlestep)
+ LOCKDEP_SYS_EXIT
b BASED(sysc_leave)
#
@@ -572,6 +580,7 @@ io_return:
#endif
tm __TI_flags+3(%r9),_TIF_WORK_INT
bnz BASED(io_work) # there is work to do (signals etc.)
+ LOCKDEP_SYS_EXIT
io_leave:
RESTORE_ALL __LC_RETURN_PSW,0
io_done:
@@ -618,6 +627,7 @@ io_work_loop:
bo BASED(io_reschedule)
tm __TI_flags+3(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)
bnz BASED(io_sigpending)
+ LOCKDEP_SYS_EXIT
b BASED(io_leave)
#
@@ -1040,6 +1050,8 @@ cleanup_io_leave_insn:
.Ltrace_irq_on: .long trace_hardirqs_on
.Ltrace_irq_off:
.long trace_hardirqs_off
+.Llockdep_sys_exit:
+ .long lockdep_sys_exit
#endif
.Lcritical_start:
.long __critical_start + 0x80000000