linux-kernel - Re: [PATCH 0/2] kho: misc fixes

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Message-ID: <mafs0tsz8bxpm.fsf@kernel.org>
Date: Wed, 05 Nov 2025 11:06:13 +0100
From: Pratyush Yadav <pratyush@...nel.org>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Pratyush Yadav <pratyush@...nel.org>,  Baoquan He <bhe@...hat.com>,
  Alexander Graf <graf@...zon.com>,  Mike Rapoport <rppt@...nel.org>,
  Pasha Tatashin <pasha.tatashin@...een.com>,  kexec@...ts.infradead.org,
  linux-mm@...ck.org,  linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] kho: misc fixes

On Mon, Nov 03 2025, Andrew Morton wrote:

> On Mon, 3 Nov 2025 16:20:20 -0800 Andrew Morton <akpm@...ux-foundation.org> wrote:
>
>> On Mon,  3 Nov 2025 19:02:30 +0100 Pratyush Yadav <pratyush@...nel.org> wrote:
>> 
>> > This series has a couple of misc fixes for KHO I discovered during code
>> > review and testing.
>> > 
>> > The series is based on top of [0] which has another fix for the function
>> > touched by patch 1. I spotted these two after sending the patch. If that
>> > one needs a reroll, I can combine the three into a series.
>> >
>> 
>> Things appear to be misordered here.
>> 
>> [1/2] "kho: fix unpreservation of higher-order vmalloc preservations"
>> 	fixes a667300bd53f2, so it's wanted in 6.18-rcX
>> 
>> [2/2] "kho: warn and exit when unpreserved page wasn't preserved"
>> 	fixes fc33e4b44b271, so it's wanted in 6.16+
>> 
>> So can we please have [2/2] as a standalone fix against latest -linus,
>> with a cc:stable?
>> 
>> And then [1/2] as a standalone fix against latest -linus without a
>> cc:stable.
>> 
>
> OK, I think I figured it out.
>
> In mm-hotfixes-unstable I have
>
> kho-fix-out-of-bounds-access-of-vmalloc-chunk.patch
> kho-fix-unpreservation-of-higher-order-vmalloc-preservations.patch
> kho-warn-and-exit-when-unpreserved-page-wasnt-preserved.patch
>
> The first two are applicable to 6.18-rcX and the third is applicable to
> 6.18-rcX, with a cc:stable for backporting.

Right. Sorry for the confusion. I see that on mm-hotfixes-unstable you
already updated the third patch with Cc: stable. Thanks.

-- 
Regards,
Pratyush Yadav