Re: [PATCH v2 56/76] ARC: Unaligned access emulation

[Arnd Bergmann]

On Friday 18 January 2013, Vineet Gupta wrote:
> ARC700 doesn't natively support unaligned access, but can be emulated
> -Unaligned Access Exception
> -Disassembly at the Fault address to find the exact insn (long/short)
> 
> Also per Arnd's comment, we runtime control it using 2 sysctl knobs:
> * SYSCTL_ARCH_UNALIGN_ALLOW: Runtime enable/disble
> * SYSCTL_ARCH_UNALIGN_NO_WARN: Warn on each emulation attempt
> 
> Originally contributed by Tim Yao <tim.yao@xxxxxxxxxxx>
> 
> Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
> Cc: Tim Yao <tim.yao@xxxxxxxxxxx>

Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
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