[PATCH v6 02/14] spinlock: Enable x86 architecture to do lockless refcount update

[Waiman Long]

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.Long@xxxxxx>
---
 arch/x86/Kconfig |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 265c672..6a86061 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -261,6 +261,9 @@ 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 majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/