From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Tue, 7 Jul 2009 14:37:12 +0000 (+0200)
Subject: [S390] add generic atomic64 support for 31 bit
X-Git-Tag: v2.6.31-rc3~23^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=25ca1251dc55673da1f3c6ddc1bf93fbb7fc83fc;p=pandora-kernel.git

[S390] add generic atomic64 support for 31 bit

Performance counters need 64 bit atomic operations.
To keep the patch small we use the simple generic atomic64_t implementation.
The native implementation follows with the next kernel.

Fixes this build bug:

In file included from kernel/sched.c:42:
include/linux/perf_counter.h:427: error: expected specifier-qualifier-list before 'atomic64_t'

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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