From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: [PATCH 1/2] x86: Don't apply reboot quirks if
 reboot set by user
Date: Wed, 11 Mar 2015 10:36:53 -0400
Message-ID: <20150311143653.GD27525@l.oracle.com>
References: <1426074292-32624-1-git-send-email-ross.lagerwall@citrix.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xen.org>
Content-Disposition: inline
In-Reply-To: <1426074292-32624-1-git-send-email-ross.lagerwall@citrix.com>
List-Unsubscribe: <http://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <http://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Sender: xen-devel-bounces@lists.xen.org
Errors-To: xen-devel-bounces@lists.xen.org
To: Ross Lagerwall <ross.lagerwall@citrix.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>, Keir Fraser <keir@xen.org>, Jan Beulich <jbeulich@suse.com>, xen-devel@lists.xen.org
List-Id: xen-devel@lists.xenproject.org

On Wed, Mar 11, 2015 at 11:44:51AM +0000, Ross Lagerwall wrote:
> If reboot= is specified on the command-line, don't apply reboot quirks
> to allow the command-line option to take precedence.
> 
> This is a port of Linux commit 5955633e91bf ("x86/reboot: Skip DMI
> checks if reboot set by user").
> 
> Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>

Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> ---
>  xen/arch/x86/shutdown.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/xen/arch/x86/shutdown.c b/xen/arch/x86/shutdown.c
> index 21f6cf5..236b4a1 100644
> --- a/xen/arch/x86/shutdown.c
> +++ b/xen/arch/x86/shutdown.c
> @@ -35,6 +35,7 @@ enum reboot_type {
>  };
>  
>  static int reboot_mode;
> +static bool_t reboot_default = 1;
>  
>  /*
>   * reboot=t[riple] | k[bd] | a[cpi] | p[ci] | n[o] [, [w]arm | [c]old]
> @@ -51,6 +52,8 @@ static void __init set_reboot_type(char *str)
>  {
>      for ( ; ; )
>      {
> +        reboot_default = 0;
> +
>          switch ( *str )
>          {
>          case 'n': /* no reboot */
> @@ -452,6 +455,13 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
>  
>  static int __init reboot_init(void)
>  {
> +    /*
> +     * Only do the DMI check if reboot_type hasn't been overridden
> +     * on the command line
> +     */
> +    if ( !reboot_default )
> +        return 0;
> +
>      dmi_check_system(reboot_dmi_table);
>      return 0;
>  }
> -- 
> 2.1.0
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel