linux-kernel - Re: [PATCH v2 0/4] Convert powerpc to GENERIC

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Date:   Sat, 26 Jun 2021 20:37:19 +1000
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Paul Mackerras <paulus@...ba.org>,
        Steven Price <steven.price@....com>, akpm@...ux-foundation.org,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>, dja@...ens.net
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Oliver O'Halloran <oohall@...il.com>
Subject: Re: [PATCH v2 0/4] Convert powerpc to GENERIC_PTDUMP

On Mon, 19 Apr 2021 10:47:24 +0000 (UTC), Christophe Leroy wrote:
> This series converts powerpc to generic PTDUMP.
> 
> For that, we first need to add missing hugepd support
> to pagewalk and ptdump.
> 
> v2:
> - Reworked the pagewalk modification to add locking and check ops->pte_entry
> - Modified powerpc early IO mapping to have gaps between mappings
> - Removed the logic that checked for contiguous physical memory
> - Removed the articial level calculation in ptdump_pte_entry(), level 4 is ok for all.
> - Removed page_size argument to note_page()
> 
> [...]

Patches 2 and 4 pplied to powerpc/next.

[2/4] powerpc/mm: Leave a gap between early allocated IO areas
      https://git.kernel.org/powerpc/c/57307f1b6edd781fba2bf9f7ec5f4d17a881ea54
[3/4] powerpc/mm: Properly coalesce pages in ptdump
      https://git.kernel.org/powerpc/c/6ca6512c716afd6e37281372c4c35aa6afd71d10

cheers