netdev - Re: [Xen-devel] [PATCH net-next V2 2/2] xen-netfront: split event channels support for Xen frontend driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <519C9A6702000078000D8026@nat28.tlf.novell.com>
Date:	Wed, 22 May 2013 09:13:59 +0100
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"Wei Liu" <wei.liu2@...rix.com>
Cc:	<david.vrabel@...rix.com>, <ian.campbell@...rix.com>,
	<xen-devel@...ts.xen.org>, <konrad.wilk@...cle.com>,
	<netdev@...r.kernel.org>
Subject: Re: [Xen-devel] [PATCH net-next V2 2/2] xen-netfront: split
 event channels support for Xen frontend driver

>>> On 21.05.13 at 20:35, Wei Liu <wei.liu2@...rix.com> wrote:
> @@ -1550,22 +1651,18 @@ static int setup_netfront(struct xenbus_device *dev, struct netfront_info *info)
>  		goto grant_rx_ring_fail;
>  	info->rx_ring_ref = err;
>  
> -	err = xenbus_alloc_evtchn(dev, &info->evtchn);
> +	if (feature_split_evtchn)
> +		err = setup_netfront_split(info);
> +	else
> +		err = setup_netfront_single(info);
>  	if (err)
>  		goto alloc_evtchn_fail;

You could easily fall back to single event channel mode here if split
setup fails.

Jan

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html