X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=lib%2FKconfig;h=87da53bb1fefd6fc00c9adf31f99716852771036;hb=b11a2783974791d37e44abbb48d41e8c120b5126;hp=75da4d3e2afd4be1fa6b2e4e6da09e5c0c60cd6a;hpb=b6a2ab2cd4739a9573ed41677e53171987b8da34;p=linux-2.6-block.git

diff --git a/lib/Kconfig b/lib/Kconfig
index 75da4d3e2afd..87da53bb1fef 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -13,6 +13,15 @@ config RAID6_PQ
 config BITREVERSE
 	tristate
 
+config HAVE_ARCH_BITREVERSE
+	bool
+	default n
+	depends on BITREVERSE
+	help
+	  This option provides an config for the architecture which have instruction
+	  can do bitreverse operation, we use the hardware instruction if the architecture
+	  have this capability.
+
 config RATIONAL
 	bool