gcc miscompiles csum_tcpudp_magic() on ARMv5

[Russell King - ARM Linux]

On Thu, Dec 12, 2013 at 11:30:02PM +0100, Maxime Bizon wrote:
> 
> On Thu, 2013-12-12 at 16:47 +0000, Russell King - ARM Linux wrote:
> > 
> > So here's a patch for Maxime to try - I've not run it yet but it seems
> > to do the right thing by code inspection. 
> 
> Kernel built with this patch seems to work fine. Also I called it
> manually with a few test patterns and the results are correct.
> 
> Tested-by: Maxime Bizon <mbizon at freebox.fr>
> 
> Thanks Russell,

Thanks Maxime.

Does this bug show up in existing unmodified mainline kernels?