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