diff options
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index d8834e8bfb05..f7c8f9972f61 100644 --- 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 |