diff options
| author |   Catalin Marinas <catalin.marinas@arm.com> | 2012-07-30 14:41:09 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-30 17:25:16 -0700 |
| commit | 7463449b8287162454d7e00bf7fd2c64f72c1dc8 (patch) | |
| tree | c9dd3007ce4cd59489c0cb7b55b0240aa8bbd865 /arch | |
| parent | ext4: use memweight() (diff) | |
| download | linux-dev-7463449b8287162454d7e00bf7fd2c64f72c1dc8.tar.xz linux-dev-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')
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/mips/Kconfig | 1 | ||||
| -rw-r--r-- | arch/powerpc/Kconfig | 1 | ||||
| -rw-r--r-- | arch/s390/Kconfig | 1 | ||||
| -rw-r--r-- | arch/x86/Kconfig | 1 |
5 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index fbdd8533c05d..4172c3cea228 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -11,6 +11,7 @@ config ARM select RTC_LIB select SYS_SUPPORTS_APM_EMULATION select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI) + select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select HAVE_OPROFILE if (HAVE_PERF_EVENTS) select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL select HAVE_ARCH_KGDB diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index b3e10fdd3898..5e238d03960d 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -20,6 +20,7 @@ config MIPS select ARCH_BINFMT_ELF_RANDOMIZE_PIE select RTC_LIB if !MACH_LOONGSON select GENERIC_ATOMIC64 if !64BIT + select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select HAVE_DMA_ATTRS select HAVE_DMA_API_DEBUG select HAVE_GENERIC_HARDIRQS diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 9a5d3cdc3e12..4f681b78dd8b 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -115,6 +115,7 @@ config PPC select HAVE_OPROFILE select HAVE_SYSCALL_WRAPPERS if PPC64 select GENERIC_ATOMIC64 if PPC32 + select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select HAVE_IRQ_WORK select HAVE_PERF_EVENTS select HAVE_REGS_AND_STACK_ACCESS_API 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 diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index c70684f859e1..ca4fdefe79e6 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -70,6 +70,7 @@ config X86 select HAVE_ARCH_JUMP_LABEL select HAVE_TEXT_POKE_SMP select HAVE_GENERIC_HARDIRQS + select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select SPARSE_IRQ select GENERIC_FIND_FIRST_BIT select GENERIC_IRQ_PROBE |