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powerpc: Don't set HAVE_EFFICIENT_UNALIGNED_ACCESS on little endian builds

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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 <[email protected]>
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
This commit is contained in:
Anton Blanchard authored and Benjamin Herrenschmidt committed 2013-10-11 16:48:56 +11:00
1 parent d72b080171
commit 0b5e6661ac
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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