[PATCH v7 2/4] spinlock: Enable x86 architecture to do lockless refcount update
This patch enables the x86 architecture to do lockless reference count update using the generic lockref implementation with default parameters. Only the x86/Kconfig file needs to be changed. Signed-off-by: Waiman Long --- arch/x86/Kconfig |3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index b32ebf9..79a9309 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -262,6 +262,9 @@ config ARCH_CPU_PROBE_RELEASE config ARCH_SUPPORTS_UPROBES def_bool y +config GENERIC_SPINLOCK_REFCOUNT + def_bool y + source "init/Kconfig" source "kernel/Kconfig.freezer" -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH v7 2/4] spinlock: Enable x86 architecture to do lockless refcount update
This patch enables the x86 architecture to do lockless reference count update using the generic lockref implementation with default parameters. Only the x86/Kconfig file needs to be changed. Signed-off-by: Waiman Long waiman.l...@hp.com --- arch/x86/Kconfig |3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index b32ebf9..79a9309 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -262,6 +262,9 @@ config ARCH_CPU_PROBE_RELEASE config ARCH_SUPPORTS_UPROBES def_bool y +config GENERIC_SPINLOCK_REFCOUNT + def_bool y + source init/Kconfig source kernel/Kconfig.freezer -- 1.7.1 -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
