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

From: [email-masked] (Cyril Chemparathy)
Date: Sun, 5 Aug 2012 10:29:59 -0400

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