[RFC 5/5] ARM: P2V: extend to 16-bit translation offsets

[Tony Lindgren]

* Russell King - ARM Linux <linux at arm.linux.org.uk> [110104 16:27]:
> On Tue, Jan 04, 2011 at 03:18:46PM -0800, David Brown wrote:
> > On Tue, Jan 04 2011, Russell King - ARM Linux wrote:
> > 
> > > MSM's memory is aligned to 2MB, which is more than we can do with our
> > > existing method as we're limited to the upper 8 bits.  Extend this by
> > > using two instructions to 16 bits, automatically selected when MSM is
> > > enabled.
> > 
> > I should also add that this series adds a warning to my build when
> > CONFIG_ARM_PATCH_PHYS_VIRT is not defined:
> > 
> >   arch/arm/kernel/module.c:279: error: 'find_mod_section' defined but not used
> 
> Hmm, probably best to mark this with __maybe_unused.
> 
> Also note that I messed up the 16-23 bit shift value in this patch - it
> needs:
> 
> -	orr	r0, r0, #0x400  @ mask in rotate right 8 bits
> +	orr	r0, r0, #0x800  @ mask in rotate right 16 bits
> 

Can't really test this one, but things still keep working so:

Acked-by: Tony Lindgren <tony at atomide.com>