Messages in this thread | ![/](/images/icornerl.gif) | | From | Po-Yu Chuang <> | Date | Thu, 30 May 2013 16:15:26 +0800 | Subject | Re: [PATCH] ARM: map_init_section flushes incorrect pmd |
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On Wed, May 29, 2013 at 5:34 PM, Po-Yu Chuang <ratbert.chuang@gmail.com> wrote: > 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?
Hi,
Does anyone have more comment about this?
Regards, Po-Yu
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