tree 8c8c88910db0197acc92bf1ddef999816f1a778b
parent 4f0076f77fb64889d4e5e425b63333e5764b446d
author Martin Schwidefsky <schwidefsky@de.ibm.com> 1245665300 +0200
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1245665303 +0200

[S390] lockless idle time accounting

Replace the spinlock used in the idle time accounting with a sequence
counter mechanism analog to seqlock.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>