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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2006-09-30 23:27:44 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-01 00:39:22 -0700
commitcdc39363d33506b0e067d41fc91f89d186bdf7f7 (patch)
treeabbc303abbccd730b56c35bd021f8ff57e4f5929 /arch/s390/lib
parentef6edc9746dc2bfdacf44eefd5f881179971c478 (diff)
downloadlinux-2.6.34-ux500-cdc39363d33506b0e067d41fc91f89d186bdf7f7.tar.gz
[PATCH] Directed yield: direct yield of spinlocks for powerpc
Powerpc already has a directed yield for CONFIG_PREEMPT="n". To make it work with CONFIG_PREEMPT="y" as well the _raw_{spin,read,write}_relax primitives need to be defined to call __spin_yield() for spinlocks and __rw_yield() for rw-locks. Acked-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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