linux-kernel - Re: [PATCH] parisc: kexec: include reboot.h

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Date:   Tue, 9 May 2023 13:52:57 +0200
From:   Simon Horman <horms@...nel.org>
To:     Baoquan He <bhe@...hat.com>
Cc:     "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
        Helge Deller <deller@....de>,
        "Leizhen (ThunderTown)" <thunder.leizhen@...wei.com>,
        kexec@...ts.infradead.org, linux-parisc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] parisc: kexec: include reboot.h

On Tue, May 09, 2023 at 05:01:42PM +0800, Baoquan He wrote:
> On 05/09/23 at 09:01am, Simon Horman wrote:
> > Include reboot.h in machine_kexec.c for declaration of
> > machine_crash_shutdown and machine_shutdown.
> > 
> > gcc-12 with W=1 reports:
> > 
> >  arch/parisc/kernel/kexec.c:57:6: warning: no previous prototype for 'machine_crash_shutdown' [-Wmissing-prototypes]
> >     57 | void machine_crash_shutdown(struct pt_regs *regs)
> >        |      ^~~~~~~~~~~~~~~~~~~~~~
> >  arch/parisc/kernel/kexec.c:61:6: warning: no previous prototype for 'machine_shutdown' [-Wmissing-prototypes]
> >     61 | void machine_shutdown(void)
> >        |      ^~~~~~~~~~~~~~~~
> > 
> > No functional changes intended.
> > Compile tested only.
> > 
> > Signed-off-by: Simon Horman <horms@...nel.org>
> 
> Acked-by: Baoquan He <bhe@...hat.com>
> 
> We may need to find out the places in all architectures and fix all of
> them.

I did check. It seemed to be needed for riscv, m68k and parisc.
I've sent out patches for all three. But I may have missed something.