Re: [PATCH 09/22] ARM: LPAE: use 64-bit pgd physical address in switch_mm()

[Cyril Chemparathy <cyril@xxxxxx>]

On 8/4/2012 3:04 AM, Nicolas Pitre wrote:
> On Tue, 31 Jul 2012, Cyril Chemparathy wrote:
>
> > This patch modifies the switch_mm() processor functions to use 64-bit
> > addresses.  We use u64 instead of phys_addr_t, in order to avoid having config
> > dependent register usage when calling into switch_mm assembly code.
> >
> > The changes in this patch are primarily adjustments for registers used for
> > arguments to switch_mm.  The few processor definitions that did use the second
> > argument have been modified accordingly.
> >
> > Arguments and calling conventions aside, this patch should be a no-op on v6
> > and non-LPAE v7 processors.
>
> NAK.
>
> You just broke all big endian targets, LPAE or not.

Indeed.  Thanks.

Would C-land word swappery on BE do?  Any other ideas on the best 
approach to this?

> Nicolas

--
Thanks
- Cyril

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