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atomic64_test: simplify the #ifdef for atomic64_dec_if_positive() test

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Introduce CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE and use this instead
of the multitude of #if defined() checks in atomic64_test.c

Signed-off-by: Catalin Marinas <[email protected]>
Cc: Russell King <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Paul Mackerras <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Catalin Marinas 2012-07-30 14:41:09 -07:00 • committed by Linus Torvalds
commit 7463449b82
7 changed files with 10 additions and 3 deletions
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3
lib/Kconfig
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@ -340,6 +340,9 @@ config NLATTR
config GENERIC_ATOMIC64
bool
config ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
def_bool y if GENERIC_ATOMIC64
config LRU_CACHE
tristate