[Xen-devel] Re: [PATCH 3/4] [Net] Support Xen accelerated network plugin modules

Stephen Hemminger
2007-05-21T17:50:03Z

On Fri, 18 May 2007 14:16:48 +0100
Kieran Mansley <kmansley@solarflare.com> wrote:

> Add support to Xen netfront for accelerated plugin module
>
> diff -r ce3d5c548e67 linux-2.6-xen-
> sparse/drivers/xen/netfront/netfront.c
> --- a/linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c Thu May 17
> 09:56:38 2007 +0100
> +++ b/linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c Fri May 18
> 10:26:34 2007 +0100
>
> +/*
> + * Initialise the netfront state of an accelerator plugin module.
> + */
> +static int init_accelerator(const char *frontend,
> +                            struct netfront_accelerator **result)
> +{
> +        struct netfront_accelerator *accelerator =
> +                kmalloc(sizeof(struct netfront_accelerator),
> GFP_KERNEL);


> +
> +                        if ( accelerator->hooks == NULL )
> +                                DPRINTK("%s: no hooks set",
> __FUNCTION__);
> +                        else {
> +                                spin_unlock_irqrestore
> (&accelerators_lock, flags);
> +                                accelerator->hooks->new_device(np-
> >netdev, dev);
> +                                spin_lock_irqsave(&accelerators_lock,
> flags);
> +                        }
> +
> +                        if ( (--accelerator->hooks_usecount) == 0 )
> +                                accelerator_remove_hooks(accelerator);
> +                        spin_unlock_irqrestore(&accelerators_lock,
> flags);

Your mailer is word wrapping the patch so it won''t apply as is.

--
Stephen Hemminger <shemminger@linux-foundation.org>