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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>
Anton Blanchard 11 years ago
parent
d72b080171
commit
0b5e6661ac
1 changed files with 1 additions and 1 deletions
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  1. 1 1
      arch/powerpc/Kconfig

+ 1 - 1
arch/powerpc/Kconfig
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@@ -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