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(parent: 2349275) | patch
s390: use generic memory barriers
authorMichael S. Tsirkin <mst@redhat.com>
Wed, 6 Jan 2016 07:13:14 +0000 (09:13 +0200)
committerMichael S. Tsirkin <mst@redhat.com>
Tue, 12 Jan 2016 18:47:04 +0000 (20:47 +0200)
commita677f4869576eb177570ffee68598d2202de030f
treefb817d6ec7824f055e25334c39efb6219324a20etree | snapshot
parent234927540e6ac82f5f083a11c3e860e346ed09bccommit | diff
s390: use generic memory barriers

The s390 kernel is SMP to 99.99%, we just didn't bother with a
non-smp variant for the memory-barriers. If the generic header
is used we'd get the non-smp version for free. It will save a
small amount of text space for CONFIG_SMP=n.

Suggested-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
arch/s390/include/asm/barrier.h diff | blob | blame | history
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