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| author | Heiko Carstens | 2007-10-11 22:11:12 +0200 |
|---|---|---|
| committer | Peter Zijlstra | 2007-10-11 22:11:12 +0200 |
| commit | 523b44cff279c42c79f7bda709e2fefc30f20a59 (patch) | |
| tree | 544c308d3e5e397b5b101968d617185e4cfdb291 /arch/s390/kernel/entry64.S | |
| parent | lockdep: x86_64: connect the sysexit hook (diff) | |
| download | kernel-qcow2-linux-523b44cff279c42c79f7bda709e2fefc30f20a59.tar.gz kernel-qcow2-linux-523b44cff279c42c79f7bda709e2fefc30f20a59.tar.xz kernel-qcow2-linux-523b44cff279c42c79f7bda709e2fefc30f20a59.zip | |
lockdep: s390: connect the sysexit hook
Run the lockdep_sys_exit hook before returning to user space.
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/s390/kernel/entry64.S')
| -rw-r--r-- | arch/s390/kernel/entry64.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 9c0d5cc8269d..05e26d1fdf40 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -66,9 +66,14 @@ _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \ .macro TRACE_IRQS_OFF brasl %r14,trace_hardirqs_off .endm + + .macro LOCKDEP_SYS_EXIT + brasl %r14,lockdep_sys_exit + .endm #else #define TRACE_IRQS_ON #define TRACE_IRQS_OFF +#define LOCKDEP_SYS_EXIT #endif .macro STORE_TIMER lc_offset @@ -255,6 +260,7 @@ sysc_return: jno sysc_leave tm __TI_flags+7(%r9),_TIF_WORK_SVC jnz sysc_work # there is work to do (signals etc.) + LOCKDEP_SYS_EXIT sysc_leave: RESTORE_ALL __LC_RETURN_PSW,1 @@ -278,6 +284,7 @@ sysc_work: jo sysc_restart tm __TI_flags+7(%r9),_TIF_SINGLE_STEP jo sysc_singlestep + LOCKDEP_SYS_EXIT j sysc_leave # @@ -558,6 +565,7 @@ io_return: #endif tm __TI_flags+7(%r9),_TIF_WORK_INT jnz io_work # there is work to do (signals etc.) + LOCKDEP_SYS_EXIT io_leave: RESTORE_ALL __LC_RETURN_PSW,0 io_done: @@ -605,6 +613,7 @@ io_work_loop: jo io_reschedule tm __TI_flags+7(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK) jnz io_sigpending + LOCKDEP_SYS_EXIT j io_leave # |