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Date: Fri, 12 Oct 2012 16:48:20 +0200 From: Eric Dumazet <eric.dumazet@...il.com> To: Benjamin LaHaise <bcrl@...ck.org> Cc: Russell King - ARM Linux <linux@....linux.org.uk>, Måns Rullgård <mans@...sr.com>, Arnd Bergmann <arnd@...db.de>, linux-arm-kernel@...ts.infradead.org, David Laight <David.Laight@...lab.com>, netdev@...r.kernel.org, Jon Masters <jonathan@...masters.org> Subject: Re: alignment faults in 3.6 On Fri, 2012-10-12 at 10:22 -0400, Benjamin LaHaise wrote: > On Fri, Oct 12, 2012 at 02:08:12PM +0200, Eric Dumazet wrote: > > So yes, we built network stack with the prereq that IP headers are > > aligned, but unfortunately many developers use x86 which doesnt care, so > > its possible some bugs are added. > > x86 does have an alignment check flag that can be set in the flags register. > Somehow, I doubt anyone would be willing to walk through all the noise the > faults would likely trigger. If this can be mapped to an event that can be used by perf tool, that might be useful ? -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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