Re: [PATCH] xenbus: advertize control feature flags

From: Juergen Gross
Date: Mon Oct 10 2016 - 05:24:02 EST


On 10/10/16 09:43, Paul Durrant wrote:
> The Xen docs specify several flags which a guest can set to advertize
> which values of the xenstore control/shutdown key it will recognize.
> This patch adds code to write all the relevant feature-flag keys.
>
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
> Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
> Cc: David Vrabel <david.vrabel@xxxxxxxxxx>
> Cc: Juergen Gross <jgross@xxxxxxxx>
> ---
> drivers/xen/manage.c | 45 +++++++++++++++++++++++++++++++++++----------
> 1 file changed, 35 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
> index e12bd36..86cf57c 100644
> --- a/drivers/xen/manage.c
> +++ b/drivers/xen/manage.c
> @@ -170,6 +170,7 @@ out:
> struct shutdown_handler {
> const char *command;
> void (*cb)(void);
> + bool flag;
> };
>
> static int poweroff_nb(struct notifier_block *cb, unsigned long code, void *unused)
> @@ -206,21 +207,22 @@ static void do_reboot(void)
> ctrl_alt_del();
> }
>
> +static struct shutdown_handler shutdown_handlers[] = {
> + { "poweroff", do_poweroff, true },
> + { "halt", do_poweroff, true },
> + { "reboot", do_reboot, false },

I think you meant to set the flag to "false" for halt and "true" for
reboot, no?


Juergen