linux-kernel - Re: [PATCH v18 00/12] Support page table check on PowerPC

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Message-Id: <20260115161857.ad9952cf1ebd1b37839aa652@linux-foundation.org>
Date: Thu, 15 Jan 2026 16:18:57 -0800
From: Andrew Morton <akpm@...ux-foundation.org>
To: Andrew Donnellan <ajd@...ux.ibm.com>
Cc: "Christophe Leroy (CS GROUP)" <chleroy@...nel.org>, Pasha Tatashin
 <pasha.tatashin@...een.com>, linux-mm@...ck.org,
 linuxppc-dev@...ts.ozlabs.org, Madhavan Srinivasan <maddy@...ux.ibm.com>,
 Nicholas Piggin <npiggin@...il.com>, Rohan McLure <rmclure@...dia.com>,
 Alexandre Ghiti <alex@...ti.fr>, x86@...nel.org, Nicholas Miehlbradt
 <nicholas@...ux.ibm.com>, Sweet Tea Dorminy <sweettea-kernel@...miny.me>,
 Andrew Donnellan <andrew+kernel@...nellan.id.au>, Srish Srinivasan
 <ssrish@...ux.ibm.com>, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v18 00/12] Support page table check on PowerPC

On Thu, 15 Jan 2026 17:13:26 +1100 Andrew Donnellan <ajd@...ux.ibm.com> wrote:

> On Wed, 2026-01-14 at 10:34 +0100, Christophe Leroy (CS GROUP) wrote:
> > What is the merge plan ? I see all powerpc commits are acked by Maddy, 
> > will the series be merged by Andrew into the mm tree ?
> 
> This is what I was expecting - this revision is rebased on mm-new as it stood
> around when I sent it.

Ouch, sorry, I did not understand this.  So we've lost 4 weeks testing :(

The core MM and ARM changes are trival, in the if-it-compiles-it-works
category.  Is the mm tree really the best place for this?  It'll get
more testing in the powerpc tree?

But if you're OK with it, I'm OK with it.

> By the way it doesn't apply on top of powerpc/merge branch:

I guess we'll be hearing from Mark when this hits linux-next. 
Hopefully the resolution isn't horrible.

As I'm adding this to mm.git's mm-new branch, Mark won't actually be
seeing it.  I'll aim to move this into mm-unstable (and hence
linux-next) after just a single day.