From mboxrd@z Thu Jan 1 00:00:00 1970 From: bcrl@kvack.org (Benjamin LaHaise) Date: Fri, 12 Oct 2012 10:22:54 -0400 Subject: alignment faults in 3.6 In-Reply-To: <1350043692.21172.11815.camel@edumazet-glaptop> References: <20121005082439.GF4625@n2100.arm.linux.org.uk> <201210120811.43290.arnd@arndb.de> <20121012090321.GA21164@n2100.arm.linux.org.uk> <20121012110750.GE21164@n2100.arm.linux.org.uk> <20121012114443.GG21164@n2100.arm.linux.org.uk> <1350043692.21172.11815.camel@edumazet-glaptop> Message-ID: <20121012142254.GG5453@kvack.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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. -ben -- "Thought is the essence of where you are now."