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| author | Catalin Marinas <catalin.marinas@arm.com> | 2012-07-30 23:41:09 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-31 02:25:16 +0200 |
| commit | 7463449b8287162454d7e00bf7fd2c64f72c1dc8 (patch) | |
| tree | c9dd3007ce4cd59489c0cb7b55b0240aa8bbd865 /arch/s390 | |
| parent | ext4: use memweight() (diff) | |
| download | linux-7463449b8287162454d7e00bf7fd2c64f72c1dc8.tar.xz linux-7463449b8287162454d7e00bf7fd2c64f72c1dc8.zip | |
atomic64_test: simplify the #ifdef for atomic64_dec_if_positive() test
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 <catalin.marinas@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index a39b4690c171..d0a5e92b6b9e 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -85,6 +85,7 @@ config S390 select HAVE_ARCH_MUTEX_CPU_RELAX select HAVE_ARCH_JUMP_LABEL if !MARCH_G5 select ARCH_SAVE_PAGE_KEYS if HIBERNATION + select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP select HAVE_CMPXCHG_LOCAL |