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authorJan Glauber <jang@linux.vnet.ibm.com>2011-07-24 10:48:30 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2011-07-24 10:48:22 +0200
commitcadfce72778e9417baff117bb563a1c2f8fef97b (patch)
tree998556e78b2e6bd8f17aeac7a32ee3fd4f087871 /arch/s390/kernel/smp.c
parentc76e70d3784e00a89bf8359bcca51ae366b41527 (diff)
[S390] disable cpu measurement alerts on a dying cpu
The cpu measurement alerts that are used for instance by oprofile for hardware sampling are not turned off on a cpu that is going offline. Add the appropriate control register bit that should be disabled to the list. Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/smp.c')
-rw-r--r--arch/s390/kernel/smp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 1d55c95f617c..a6d85c0a7f20 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -654,7 +654,8 @@ int __cpu_disable(void)
/* disable all external interrupts */
cr_parms.orvals[0] = 0;
cr_parms.andvals[0] = ~(1 << 15 | 1 << 14 | 1 << 13 | 1 << 11 |
- 1 << 10 | 1 << 9 | 1 << 6 | 1 << 4);
+ 1 << 10 | 1 << 9 | 1 << 6 | 1 << 5 |
+ 1 << 4);
/* disable all I/O interrupts */
cr_parms.orvals[6] = 0;
cr_parms.andvals[6] = ~(1 << 31 | 1 << 30 | 1 << 29 | 1 << 28 |