linux-kernel - Re: [PATCH v2] kexec: move machine_kexec_post

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Date:   Mon, 22 Feb 2021 23:16:38 -0600
From:   ebiederm@...ssion.com (Eric W. Biederman)
To:     Will Deacon <will@...nel.org>
Cc:     james.morse@....com, jmorris@...ei.org,
        tyhicks@...ux.microsoft.com, kexec@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        linux-kernel@...r.kernel.org, catalin.marinas@....com,
        kernel-team@...roid.com
Subject: Re: [PATCH v2] kexec: move machine_kexec_post_load() to public interface

Will Deacon <will@...nel.org> writes:

> On Fri, 19 Feb 2021 14:51:42 -0500, Pavel Tatashin wrote:
>> machine_kexec_post_load() is called after kexec load is finished. It must
>> declared in public header not in kexec_internal.h
>> 
>> Fixes the following compiler warning:
>> 
>> arch/arm64/kernel/machine_kexec.c:62:5: warning: no previous prototype for
>> function 'machine_kexec_post_load' [-Wmissing-prototypes]
>>    int machine_kexec_post_load(struct kimage *kimage)
>
> Applied to arm64 (for-next/fixes), thanks!
>
> [1/1] kexec: move machine_kexec_post_load() to public interface
>       https://git.kernel.org/arm64/c/2596b6ae412b

As you have already applied this it seems a bit late,
but I will mention that change could legitimately have the following
tag.

Fixes: de68e4daea90 ("kexec: add machine_kexec_post_load()")

So far arm64 is the only implementation of that hook.

Eric