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[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>
Jan Glauber 14 years ago
parent
commit
cadfce7277
1 changed files with 2 additions and 1 deletions
  1. 2 1
      arch/s390/kernel/smp.c

+ 2 - 1
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 |