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

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Message-ID: <ZFoL9ntYCCfZFCNs@bhe.users.ipa.redhat.com>
Date:   Tue, 9 May 2023 17:01:42 +0800
From:   Baoquan He <bhe@...hat.com>
To:     Simon Horman <horms@...nel.org>
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 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.

> ---
>  arch/parisc/kernel/kexec.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/parisc/kernel/kexec.c b/arch/parisc/kernel/kexec.c
> index 5eb7f30edc1f..db57345a9daf 100644
> --- a/arch/parisc/kernel/kexec.c
> +++ b/arch/parisc/kernel/kexec.c
> @@ -4,6 +4,8 @@
>  #include <linux/console.h>
>  #include <linux/kexec.h>
>  #include <linux/delay.h>
> +#include <linux/reboot.h>
> +
>  #include <asm/cacheflush.h>
>  #include <asm/sections.h>
>  
>