linux-kernel - Re: [PATCH v1] kexec_core: Add and update comments regarding the KEXEC

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Message-ID: <d29738023f117bbd4031579443e0c2f8f1f78592.camel@infradead.org>
Date: Mon, 16 Dec 2024 13:43:05 +0000
From: David Woodhouse <dwmw2@...radead.org>
To: "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc: Eric Biederman <ebiederm@...ssion.com>, Thomas Gleixner
 <tglx@...utronix.de>,  Ming Lei <ming.lei@...hat.com>, LKML
 <linux-kernel@...r.kernel.org>, Linux PM <linux-pm@...r.kernel.org>
Subject: Re: [PATCH v1] kexec_core: Add and update comments regarding the
 KEXEC_JUMP flow

On Mon, 2024-12-16 at 14:39 +0100, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> 
> The KEXEC_JUMP flow is analogous to hibernation flows occurring
> before
> and after creating an image and before and after jumping from the
> restore kernel to the image one, which is why it uses the same device
> callbacks as those hibernation flows.
> 
> Add comments explaining that to the code in question and update an
> existing comment in it which appears a bit out of context.
> 
> No functional changes.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

Thanks. I'll round that up into my kexec-debug tree, which Ingo has
been taking into tip/x86/boot. Once I'm done fighting with objtool(qv).

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