From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Mon, 22 Jun 2009 10:08:20 +0000 (+0200)
Subject: [S390] lockless idle time accounting
X-Git-Tag: v2.6.31-rc1~59^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e98bbaafcd1c47d30f3245517fb585f1aaaca4db;p=pandora-kernel.git

[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>
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