s390/time: clock comparator revalidation
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 8 Aug 2013 10:37:00 +0000 (12:37 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 22 Aug 2013 10:20:08 +0000 (12:20 +0200)
commitb6bed093f489ef0a858e63eebcf5f2fb71ed3222
tree617b24e54de68ea0f9f3702b736da224ff4db9c2
parent363fd4c1f17b94b2076b57286e9507785a05bbce
s390/time: clock comparator revalidation

Always use the S390_lowcore.clock_comparator field to revalidate
the clock comparator CPU register after a machine check. This avoids
an unnecssary external interrupt after a machine check if no timer
is pending.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/kernel/nmi.c