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s390/atomic: make use of interlocked-access facility 1 instructions
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Wed, 11 Sep 2013 14:34:04 +0000 (16:34 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 17 Oct 2013 07:25:53 +0000 (09:25 +0200)
commitbe66a2cc222c8367050ace40d45c1518ead56b0b
tree6e3691dbed7eb40e09e29f19637ff1c81c586f18tree | snapshot
parentfdae55c8c2f8b1ef55107b702f38a1f7f666cd71commit | diff
s390/atomic: make use of interlocked-access facility 1 instructions

Same as for bitops: make use of the interlocked-access facility 1
instructions which allow to atomically update storage locations
without a compare-and-swap loop.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/atomic.h diff | blob | history
Linux kernel for KaRo TX COM modules