linux-kernel - Re: [PATCH v28 0/8] crash: Kernel handling of CPU and memory hot un/plug

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Message-ID: <2dac3bf6-dc57-4e60-ba82-f3eab73e1d5c@oracle.com>
Date:   Sun, 20 Aug 2023 16:56:22 -0500
From:   Eric DeVolder <eric.devolder@...cle.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, david@...hat.com, osalvador@...e.de,
        corbet@....net, tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
        dave.hansen@...ux.intel.com, x86@...nel.org, bhe@...hat.com,
        ebiederm@...ssion.com, kexec@...ts.infradead.org, hpa@...or.com,
        gregkh@...uxfoundation.org, rafael@...nel.org, vgoyal@...hat.com,
        dyoung@...hat.com, lf32.dev@...il.com,
        naveen.n.rao@...ux.vnet.ibm.com, zohar@...ux.ibm.com,
        bhelgaas@...gle.com, vbabka@...e.cz, tiwai@...e.de,
        seanjc@...gle.com, linux@...ssschuh.net, vschneid@...hat.com,
        linux-mm@...ck.org, linux-doc@...r.kernel.org,
        sourabhjain@...ux.ibm.com, konrad.wilk@...cle.com,
        boris.ostrovsky@...cle.com
Subject: Re: [PATCH v28 0/8] crash: Kernel handling of CPU and memory hot
 un/plug


On 8/14/23 17:33, Andrew Morton wrote:
> On Mon, 14 Aug 2023 17:44:38 -0400 Eric DeVolder <eric.devolder@...cle.com> wrote:
> 
>> This series is dependent upon "refactor Kconfig to consolidate
>> KEXEC and CRASH options".
>>   https://lore.kernel.org/lkml/20230712161545.87870-1-eric.devolder@oracle.com/
>>
>> Once the kdump service is loaded, if changes to CPUs or memory occur,
>> either by hot un/plug or off/onlining, the crash elfcorehdr must also
>> be updated.
> 
> Thanks, I updated branch mm-nonmm-unstable to this version.

Andrew,
So far only one issue has popped up. I've posted the following patch to akpm to solve
that issue. Please apply this patch on-top/with this v28 series.

  [PATCH] x86/crash: correct unused function build error

The thread on this issue is here:
https://lore.kernel.org/lkml/08fc20ef-854d-404a-b2f2-75941eeeccf8@paulmck-laptop/

If you'd rather I post a v29, I'll happily do so.
Thank you!
eric