netdev - Re: [PATCH v2 1/4] Defer skb allocation -- add destroy buffers function for virtio

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:	Mon, 14 Dec 2009 15:22:22 -0800
From:	Shirley Ma <mashirle@...ibm.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	Rusty Russell <rusty@...tcorp.com.au>, Avi Kivity <avi@...hat.com>,
	netdev@...r.kernel.org, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Anthony Liguori <anthony@...emonkey.ws>
Subject: Re: [PATCH v2 1/4] Defer skb allocation -- add destroy buffers
 function for virtio

Hello Michael,

On Mon, 2009-12-14 at 22:22 +0200, Michael S. Tsirkin wrote:
> I dont insist, but my idea was
> 
> for (;;) {
>         b = vq->destroy(vq);
>         if (!b)
>                 break;
>         --vi->num;
>         put_page(b);
> }
> 
> so we do not have to lose track of the counter.

That's not a bad idea, but to do this, then this fuction will be
specific for virtio_net device (vi is virtnet_info) only in a generic
virtqueue API.

Thanks
Shirley

--
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