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SubjectRe: [PATCH] ARM: map_init_section flushes incorrect pmd
Hi Will,

On Wed, May 29, 2013 at 4:54 PM, Will Deacon <will.deacon@arm.com> wrote:
> On Wed, May 29, 2013 at 03:14:58AM +0100, Po-Yu Chuang wrote:
>> Will,
>> I guess nobody noticed this because the MMU of later v7 processors
>> fetches page table
>> from D-cache. It even doesn't need to clean pmd to PoU.
>
> It does if it's UP. The walker is only guaranteed to read from L1 if you
> have the multiprocessing extensions.

Ya, I see.

>
> As for this function, looks like it's ok because it has precisely one
> caller, so it might be worth prefixing it with some underscores to make it
> clear that nobody else should be calling it!

I am fine with that.
Should I create a new patch?

Regards,
Po-Yu


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