From: Jason Wang <jasowang@redhat.com>
To: David Ahern <dahern@digitalocean.com>,
David Ahern <dsahern@kernel.org>,
netdev@vger.kernel.org
Cc: davem@davemloft.net, kuba@kernel.org,
"Michael S . Tsirkin" <mst@redhat.com>
Subject: Re: [PATCH RFC net-next] virtio_net: Relax queue requirement for using XDP
Date: Wed, 26 Feb 2020 11:52:36 +0800 [thread overview]
Message-ID: <cf132d5f-5359-b3a5-38c2-34583aae3f36@redhat.com> (raw)
In-Reply-To: <3ab884ab-f7f8-18eb-3d18-c7636c84f9b4@digitalocean.com>
On 2020/2/26 上午11:34, David Ahern wrote:
> On 2/25/20 8:29 PM, Jason Wang wrote:
>> TAP uses spinlock for XDP_TX.
> code reference? I can not find that.
>
In tun_xdp_xmit(), ptr_ring is synchronized through producer_lock.
Thanks
next prev parent reply other threads:[~2020-02-26 3:53 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-26 0:57 [PATCH RFC net-next] virtio_net: Relax queue requirement for using XDP David Ahern
2020-02-26 1:37 ` Jakub Kicinski
2020-02-26 3:00 ` Jason Wang
2020-02-26 3:24 ` David Ahern
2020-02-26 3:29 ` Jason Wang
2020-02-26 3:34 ` David Ahern
2020-02-26 3:52 ` Jason Wang [this message]
2020-02-26 4:35 ` David Ahern
2020-02-26 5:51 ` Jason Wang
2020-02-26 8:19 ` Toke Høiland-Jørgensen
2020-02-26 8:23 ` Michael S. Tsirkin
2020-02-26 8:34 ` Toke Høiland-Jørgensen
2020-02-26 8:42 ` Michael S. Tsirkin
2020-02-26 9:02 ` Toke Høiland-Jørgensen
2020-02-26 9:32 ` Michael S. Tsirkin
2020-02-26 15:58 ` David Ahern
2020-02-26 16:21 ` Toke Høiland-Jørgensen
2020-02-26 17:08 ` Michael S. Tsirkin
2020-02-26 21:31 ` Toke Høiland-Jørgensen
2020-02-27 3:27 ` David Ahern
2020-02-27 10:19 ` Toke Høiland-Jørgensen
2020-02-27 10:41 ` Magnus Karlsson
2020-09-28 3:13 ` David Ahern
2020-09-28 14:25 ` Magnus Karlsson
2020-09-29 2:44 ` David Ahern
2020-02-26 6:48 ` Michael S. Tsirkin
2020-02-26 7:28 ` Jason Wang
2020-02-26 8:21 ` Michael S. Tsirkin
2020-02-26 6:43 ` Michael S. Tsirkin
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