alignment faults in 3.6

[Nicolas Pitre]

On Sat, 6 Oct 2012, Mans Rullgard wrote:

> On 5 October 2012 23:42, Russell King - ARM Linux
> <linux at arm.linux.org.uk> wrote:
> > On Fri, Oct 05, 2012 at 11:37:40PM +0100, Mans Rullgard wrote:
> >> The problem is the (__be32 *) casts.  This is a normal pointer to a 32-bit,
> >> which is assumed to be aligned, and the cast overrides the packed attribute
> >> from the struct.  Dereferencing these cast expressions must be done with the
> >> macros from asm/unaligned.h
> >
> > Again, not going to happen.
> 
> There are only two options for fixing this:
> 
> 1. Ensure the struct is always aligned.
> 2. Declare it packed (and fix casts).
> 
> Refusing to do either leaves us with a broken kernel.  Is that what you want?

Once again, please bring this up with davem and also CC 
netdev at vger.kernel.org as he's the point of contention here.


Nicolas