On Thursday 06 December 2007 22:25:25 Jean Tourrilhes wrote: > On Wed, Dec 05, 2007 at 06:36:28PM -0800, David Miller wrote: > > From: Jean Tourrilhes <jt@xxxxxxxxxx> > > Date: Wed, 5 Dec 2007 13:56:00 -0800 > > > > > Personally, I was under the impression that in userspace libc > > > trap unaligned access and make them work. I mean, this code was tested > > > on other 64/32 bit platforms (PPC, AMD-64, PS3) and was working there, > > > so this seems to be specific to your platform. > > > > None of those listed platforms trap on unaligned accesses like sparc > > does. > > Now, I'm wondering how to deal with unaligned access in > userspace. If you get data from hardware or the network, you can not > guarantee that everything will always be aligned, so we need a way to > deal with it. > In the kernel, we have get_unaligned(). I wonder what's the > equivalent in userspace. Userspace handles this transparently through fault traps. -- Greetings Michael. - To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
