[S390] add generic atomic64 support for 31 bit

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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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This commit is contained in:

Heiko Carstens 2009-07-07 16:37:12 +02:00 • committed by Martin Schwidefsky

parent 2c48c4d631

commit 25ca1251dc

2 changed files with 7 additions and 1 deletions

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1

arch/s390/Kconfig

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7

arch/s390/include/asm/atomic.h

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