Re: [PATCH V2 0/5] NestMMU pte upgrade workaround for mprotect

From: Andrew Morton
Date: Wed Nov 28 2018 - 17:11:31 EST

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In reply to: Aneesh Kumar K.V: "[PATCH V2 5/5] arch/powerpc/mm/hugetlb: NestMMU workaround for hugetlb mprotect RW upgrade"
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On Wed, 28 Nov 2018 20:04:33 +0530 "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxx> wrote:

> We can upgrade pte access (R -> RW transition) via mprotect. We need
> to make sure we follow the recommended pte update sequence as outlined in
> commit: bd5050e38aec ("powerpc/mm/radix: Change pte relax sequence to handle nest MMU hang")
> for such updates. This patch series do that.

The mm bits look (mostly) OK to me. I suggest all these be merged via
the appropriate powerpc tree.

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In reply to: Aneesh Kumar K.V: "[PATCH V2 5/5] arch/powerpc/mm/hugetlb: NestMMU workaround for hugetlb mprotect RW upgrade"
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