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authorSantosh Sivaraj <santosh@fossix.org>2019-08-20 10:13:52 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2019-08-21 14:23:49 +0200
commit42ac26d253ebe7a5f409443f2fbd239d66b65f57 (patch)
treedb4dd163b475bc098fb9eca7901a849d79f5520b /arch/powerpc/Kconfig
parentpowerpc/memcpy: Add memcpy_mcsafe for pmem (diff)
downloadlinux-42ac26d253ebe7a5f409443f2fbd239d66b65f57.tar.xz
linux-42ac26d253ebe7a5f409443f2fbd239d66b65f57.zip
powerpc: add machine check safe copy_to_user
Use memcpy_mcsafe() implementation to define copy_to_user_mcsafe() Signed-off-by: Santosh Sivaraj <santosh@fossix.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190820081352.8641-8-santosh@fossix.org
Diffstat (limited to 'arch/powerpc/Kconfig')
-rw-r--r--arch/powerpc/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 9bc8ac5b8c96..78f52030e76a 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -137,6 +137,7 @@ config PPC
select ARCH_HAS_STRICT_KERNEL_RWX if ((PPC_BOOK3S_64 || PPC32) && !RELOCATABLE && !HIBERNATION)
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAS_UACCESS_FLUSHCACHE
+ select ARCH_HAS_UACCESS_MCSAFE if PPC64
select ARCH_HAS_UBSAN_SANITIZE_ALL
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_KEEP_MEMBLOCK