Re: [PATCH] asm-generic: allow generic unaligned access if the arch supports it

[Russell King - ARM Linux <linux@arm.linux.org.uk>]

On Mon, Mar 31, 2014 at 08:22:43PM +0200, Ard Biesheuvel wrote:
> On 31 March 2014 19:24, Catalin Marinas <catalin.marinas@arm.com> wrote:
> > It actually affects arch/arm as well which selects
> > HAVE_EFFICIENT_UNALIGNED_ACCESS for v6/v7 and uses the generic
> > unaligned.h
> >
> 
> Oops, my bad. I did a quick 'find -name unaligned.h' but misread 'arc'
> for 'arm'.
> 
> @Russell: ARM is a user of asm-generic/unaligned.h, and I proposed a
> patch to asm-generic that switches to unaligned accesses if
> HAVE_EFFICIENT_UNALIGNED_ACCESS is set by the arch. This should affect
> a fair amount of code living under net/ and drivers/ that don't test
> for the Kconfig symbol but expect get_unaligned_xx/put_unaligned_xx to
> turn into something suitable depending on the arch. Any objections?

I'm not sure what you're talking about here, or what change you're
proposing.  Without any kind of frame of reference, I can't comment.
Sorry.

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