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[sfrench/cifs-2.6.git] / arch / powerpc / Kconfig

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index d8834e8bfb05cf8e1f7cea7be01a5d8db04f5b1a..f7c8f9972f618109209e4892512ed903f6b865f3 100644 (file)
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -146,6 +146,7 @@ config PPC
        select ARCH_USE_BUILTIN_BSWAP
        select ARCH_USE_CMPXCHG_LOCKREF         if PPC64
        select ARCH_WANT_IPC_PARSE_VERSION
+       select ARCH_WEAK_RELEASE_ACQUIRE
        select BINFMT_ELF
        select BUILDTIME_EXTABLE_SORT
        select CLONE_BACKWARDS
@@ -379,6 +380,22 @@ source "arch/powerpc/platforms/Kconfig"
 
 menu "Kernel options"
 
+config PPC_DT_CPU_FTRS
+       bool "Device-tree based CPU feature discovery & setup"
+       depends on PPC_BOOK3S_64
+       default n
+       help
+         This enables code to use a new device tree binding for describing CPU
+         compatibility and features. Saying Y here will attempt to use the new
+         binding if the firmware provides it. Currently only the skiboot
+         firmware provides this binding.
+         If you're not sure say Y.
+
+config PPC_CPUFEATURES_ENABLE_UNKNOWN
+       bool "cpufeatures pass through unknown features to guest/userspace"
+       depends on PPC_DT_CPU_FTRS
+       default y
+
 config HIGHMEM
        bool "High memory support"
        depends on PPC32