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Date: Fri, 18 Jan 2013 14:54:36 +0000 From: Arnd Bergmann <arnd@...db.de> To: Vineet Gupta <Vineet.Gupta1@...opsys.com> Cc: linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org, Tim Yao <tim.yao@...ogic.com> Subject: Re: [PATCH v2 56/76] ARC: Unaligned access emulation 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@...ogic.com> > > Signed-off-by: Vineet Gupta <vgupta@...opsys.com> > Cc: Tim Yao <tim.yao@...ogic.com> Acked-by: Arnd Bergmann <arnd@...db.de> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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