diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2012-01-13 02:17:30 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-13 05:13:03 +0100 |
| commit | 4156153c4daddf12dd386016f96a947a01e93bf4 (patch) | |
| tree | 6a8653a47bcda09b97870e5c79919790638afe0c /arch | |
| parent | mm,slub,x86: decouple size of struct page from CONFIG_CMPXCHG_LOCAL (diff) | |
| download | linux-4156153c4daddf12dd386016f96a947a01e93bf4.tar.xz linux-4156153c4daddf12dd386016f96a947a01e93bf4.zip | |
mm,x86,um: move CMPXCHG_LOCAL config option
Move CMPXCHG_LOCAL and rename it to HAVE_CMPXCHG_LOCAL so architectures
can simply select the option if it is supported.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
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/Kconfig | 3 | ||||
| -rw-r--r-- | arch/x86/Kconfig | 1 | ||||
| -rw-r--r-- | arch/x86/Kconfig.cpu | 3 | ||||
| -rw-r--r-- | arch/x86/um/Kconfig | 4 |
4 files changed, 4 insertions, 7 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index a2c5c077c32d..22182a8cc62c 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -193,4 +193,7 @@ config HAVE_ALIGNED_STRUCT_PAGE on a struct page for better performance. However selecting this might increase the size of a struct page by a word. +config HAVE_CMPXCHG_LOCAL + bool + source "kernel/gcov/Kconfig" diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 5201a2c27239..59717fd17bc7 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -61,6 +61,7 @@ config X86 select HAVE_PERF_EVENTS_NMI select ANON_INODES select HAVE_ALIGNED_STRUCT_PAGE if SLUB && !M386 + select HAVE_CMPXCHG_LOCAL if !M386 select HAVE_ARCH_KMEMCHECK select HAVE_USER_RETURN_NOTIFIER select ARCH_BINFMT_ELF_RANDOMIZE_PIE diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index e3ca7e0d858c..99d2ab8b7795 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -309,9 +309,6 @@ config X86_INTERNODE_CACHE_SHIFT config X86_CMPXCHG def_bool X86_64 || (X86_32 && !M386) -config CMPXCHG_LOCAL - def_bool X86_64 || (X86_32 && !M386) - config CMPXCHG_DOUBLE def_bool y diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig index 1d97bd84b6fb..a62bfc66239e 100644 --- a/arch/x86/um/Kconfig +++ b/arch/x86/um/Kconfig @@ -6,10 +6,6 @@ menu "UML-specific options" menu "Host processor type and features" -config CMPXCHG_LOCAL - bool - default n - config CMPXCHG_DOUBLE bool default n |