On Thu, Aug 07, 2008 at 05:05:28PM +0800, Huang Ying wrote:
quoted text
> Call kernel_restart_prepare() in kernel_kexec() instead of duplicating
> the code.
> 
> Signed-off-by: Huang Ying <ying.huang@intel.com>
> 
> ---
>  include/linux/reboot.h |    1 +
>  kernel/kexec.c         |    6 +-----
>  kernel/sys.c           |    2 +-
>  3 files changed, 3 insertions(+), 6 deletions(-)
> 
> --- a/include/linux/reboot.h
> +++ b/include/linux/reboot.h
> @@ -59,6 +59,7 @@ extern void machine_crash_shutdown(struc
>   * Architecture independent implemenations of sys_reboot commands.
>   */
>  
> +extern void kernel_restart_prepare(char *cmd);
>  extern void kernel_restart(char *cmd);
>  extern void kernel_halt(void);
>  extern void kernel_power_off(void);
> --- a/kernel/sys.c
> +++ b/kernel/sys.c
> @@ -274,7 +274,7 @@ void emergency_restart(void)
>  }
>  EXPORT_SYMBOL_GPL(emergency_restart);
>  
> -static void kernel_restart_prepare(char *cmd)
> +void kernel_restart_prepare(char *cmd)
>  {
>  	blocking_notifier_call_chain(&reboot_notifier_list, SYS_RESTART, cmd);
>  	system_state = SYSTEM_RESTART;
> --- a/kernel/kexec.c
> +++ b/kernel/kexec.c
> @@ -1472,11 +1472,7 @@ int kernel_kexec(void)
>  	} else
>  #endif
>  	{
> -		blocking_notifier_call_chain(&reboot_notifier_list,
> -					     SYS_RESTART, NULL);
> -		system_state = SYSTEM_RESTART;
> -		device_shutdown();
> -		sysdev_shutdown();
> +		kernel_restart_prepare(NULL);
>  		printk(KERN_EMERG "Starting new kernel\n");
>  		machine_shutdown();
>  	}

Looks good to me. 

Acked-by: Vivek Goyal <vgoyal@redhat.com>

Thanks
Vivek
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