From mboxrd@z Thu Jan  1 00:00:00 1970
From: linux@arm.linux.org.uk (Russell King - ARM Linux)
Date: Thu, 9 May 2013 14:36:43 +0100
Subject: [PATCH -v8 11/11] Move arch/x86 reboot= handling to generic
 kernel.
In-Reply-To: <20130509130120.GW3672@sgi.com>
References: <1367937595-32241-1-git-send-email-holt@sgi.com>
 <1367937595-32241-12-git-send-email-holt@sgi.com>
 <20130508103956.GA7677@gmail.com>
 <20130508182007.GO18614@n2100.arm.linux.org.uk> <518A9A83.5010306@zytor.com>
 <20130509112048.GT3672@sgi.com> <20130509130120.GW3672@sgi.com>
Message-ID: <20130509133643.GU18614@n2100.arm.linux.org.uk>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Thu, May 09, 2013 at 08:01:20AM -0500, Robin Holt wrote:
> diff --git a/include/linux/reboot.h b/include/linux/reboot.h
> index 26cf11b..bc77231 100644
> --- a/include/linux/reboot.h
> +++ b/include/linux/reboot.h
> @@ -15,6 +15,23 @@ enum reboot_mode {
> +extern enum reboot_type reboot_type;
> +
> +extern int reboot_default;
> +extern int reboot_cpu;
> +extern int reboot_force;

Okay, these are globals...

> diff --git a/kernel/reboot.c b/kernel/reboot.c
> index 0a97794..ff08af2 100644
> --- a/kernel/reboot.c
> +++ b/kernel/reboot.c
> @@ -87,7 +88,7 @@ EXPORT_SYMBOL(unregister_reboot_notifier);
>  static void migrate_to_reboot_cpu(void)
>  {
>  	/* The boot cpu is always logical cpu 0 */
> -	int reboot_cpu = 0;
> +	int reboot_cpu = reboot_cpu;

Hmm, are you sure about that?

> @@ -343,3 +344,80 @@ int orderly_poweroff(bool force)
>  	return 0;
>  }
>  EXPORT_SYMBOL_GPL(orderly_poweroff);
> +
> +int reboot_default;
> +enum reboot_mode reboot_mode = REBOOT_COLD;
> +int reboot_cpu;
> +enum reboot_type reboot_type = BOOT_ACPI;
> +int reboot_force;

As you seem to want to reference these above, wouldn't it make sense to
move them higher in the file?

> +		case 'c':
> +		case 'h':
> +			reboot_mode = REBOOT_COLD;
> +			break;

I'm still not entirely convinced by making "hard" and "cold" mean the
same thing, likewise "soft" and "warm".  As I previously explained but
everyone seems to have ignored, solely focusing on the 's' problem
instead.