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

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Message-ID: <20210223094531.GA10254@willie-the-truck>
Date:   Tue, 23 Feb 2021 09:45:32 +0000
From:   Will Deacon <will@...nel.org>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
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

On Mon, Feb 22, 2021 at 11:16:38PM -0600, Eric W. Biederman wrote:
> 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.

I added 'Fixes: 4c3c31230c91 ("arm64: kexec: move relocation function
setup")' when I applied the patch, so at least it's clearly marked as a
fix.

Will