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authorAnton Blanchard <anton@samba.org>2013-09-23 04:05:12 +0200
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-10-11 07:48:56 +0200
commit0b5e6661ac69983a54d9832ac33fd27d733306f8 (patch)
treeb81021e26cc0ca5c60d7432c14221a21a9c38d09 /arch/powerpc/Kconfig
parentpowerpc: Add ability to build little endian kernels (diff)
downloadlinux-0b5e6661ac69983a54d9832ac33fd27d733306f8.tar.xz
linux-0b5e6661ac69983a54d9832ac33fd27d733306f8.zip
powerpc: Don't set HAVE_EFFICIENT_UNALIGNED_ACCESS on little endian builds
POWER7 takes alignment exceptions on some unaligned addresses, so disable HAVE_EFFICIENT_UNALIGNED_ACCESS. This fixes an early boot issue in the printk code. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/Kconfig')
-rw-r--r--arch/powerpc/Kconfig2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 2c69c43ba68e..c5a868bc7aa4 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -97,7 +97,7 @@ config PPC
select VIRT_TO_BUS if !PPC64
select HAVE_IDE
select HAVE_IOREMAP_PROT
- select HAVE_EFFICIENT_UNALIGNED_ACCESS
+ select HAVE_EFFICIENT_UNALIGNED_ACCESS if !CPU_LITTLE_ENDIAN
select HAVE_KPROBES
select HAVE_ARCH_KGDB
select HAVE_KRETPROBES