x86: consolidate xchg and xadd macros

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They both have a basic "put new value in location, return old value"
pattern, so they can use the same macro easily.

Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>

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Jeremy Fitzhardinge 2011-09-30 12:14:10 -07:00

parent 3d94ae0c70

commit 31a8394e06

1 changed files with 36 additions and 78 deletions

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arch/x86/include/asm/cmpxchg.h

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