linux-kernel - Re: [PATCH v4 00/14] kexec: introduce Kexec HandOver (KHO)

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Message-ID: <41a505db-225f-4c9c-afbc-74c13ee4d44a@kernel.org>
Date: Sun, 9 Feb 2025 11:33:45 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Andrew Morton <akpm@...ux-foundation.org>, Mike Rapoport <rppt@...nel.org>
Cc: linux-kernel@...r.kernel.org, Alexander Graf <graf@...zon.com>,
 Andy Lutomirski <luto@...nel.org>, Anthony Yznaga
 <anthony.yznaga@...cle.com>, Arnd Bergmann <arnd@...db.de>,
 Ashish Kalra <ashish.kalra@....com>,
 Benjamin Herrenschmidt <benh@...nel.crashing.org>,
 Borislav Petkov <bp@...en8.de>, Catalin Marinas <catalin.marinas@....com>,
 Dave Hansen <dave.hansen@...ux.intel.com>,
 David Woodhouse <dwmw2@...radead.org>, Eric Biederman
 <ebiederm@...ssion.com>, Ingo Molnar <mingo@...hat.com>,
 James Gowans <jgowans@...zon.com>, Jonathan Corbet <corbet@....net>,
 Mark Rutland <mark.rutland@....com>, Paolo Bonzini <pbonzini@...hat.com>,
 Pasha Tatashin <pasha.tatashin@...een.com>, "H. Peter Anvin"
 <hpa@...or.com>, Peter Zijlstra <peterz@...radead.org>,
 Pratyush Yadav <ptyadav@...zon.de>, Rob Herring <robh+dt@...nel.org>,
 Rob Herring <robh@...nel.org>, Saravana Kannan <saravanak@...gle.com>,
 Stanislav Kinsburskii <skinsburskii@...ux.microsoft.com>,
 Steven Rostedt <rostedt@...dmis.org>, Thomas Gleixner <tglx@...utronix.de>,
 Tom Lendacky <thomas.lendacky@....com>, Usama Arif
 <usama.arif@...edance.com>, Will Deacon <will@...nel.org>,
 devicetree@...r.kernel.org, kexec@...ts.infradead.org,
 linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org,
 linux-mm@...ck.org, x86@...nel.org
Subject: Re: [PATCH v4 00/14] kexec: introduce Kexec HandOver (KHO)

On 07/02/2025 01:29, Andrew Morton wrote:
> On Thu,  6 Feb 2025 15:27:40 +0200 Mike Rapoport <rppt@...nel.org> wrote:
> 
>> This a next version of Alex's "kexec: Allow preservation of ftrace buffers"
>> series (https://lore.kernel.org/all/20240117144704.602-1-graf@amazon.com),
>> just to make things simpler instead of ftrace we decided to preserve
>> "reserve_mem" regions.
>>
>> The patches are also available in git:
>> https://git.kernel.org/rppt/h/kho/v4
>>
>>
>> Kexec today considers itself purely a boot loader: When we enter the new
>> kernel, any state the previous kernel left behind is irrelevant and the
>> new kernel reinitializes the system.
> 
> I tossed this into mm.git for some testing and exposure.
> 
> What merge path are you anticipating?
> 
> Review activity seems pretty thin thus far?

At least for DT ABI because:
1. For some reason this escaped Patchwork. Maybe was blocked by spam
filters, maybe Cc list is too big. No clue.
2. In the same time fallback to Patchwork was avoided by:
Cc-ing wrong address and not using expected (see git log) subject prefixes.

Best regards,
Krzysztof