From: Richard Cochran <richardcochran@gmail.com>
To: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Cc: Jakub Kicinski <kuba@kernel.org>,
virtualization@lists.linux-foundation.org,
Network Development <netdev@vger.kernel.org>,
"Michael S. Tsirkin" <mst@redhat.com>,
Jason Wang <jasowang@redhat.com>
Subject: Re: [PATCH rfc 2/3] virtio-net: support receive timestamp
Date: Wed, 30 Dec 2020 04:30:26 -0800 [thread overview]
Message-ID: <20201230123026.GA2034@hoboy.vegasvil.org> (raw)
In-Reply-To: <CA+FuTSe630QvTRM-0fnz=B+QRfii=sbsb-Qp5tTc2zbMgxcQyw@mail.gmail.com>
On Mon, Dec 28, 2020 at 07:57:20PM -0500, Willem de Bruijn wrote:
> There is a well understood method for synchronizing guest and host
> clock in KVM using ptp_kvm. For virtual environments without NIC
> hardware offload, the when host timestamps in software, this suffices.
>
> Syncing host with NIC is assumed if the host advertises the feature
> and implements using real hardware timestamps.
Sounds reasonable.
Thanks,
Richard
next prev parent reply other threads:[~2020-12-30 12:31 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-28 16:22 [PATCH rfc 0/3] virtio-net: add tx-hash, rx-tstamp and tx-tstamp Willem de Bruijn
2020-12-28 16:22 ` [PATCH rfc 1/3] virtio-net: support transmit hash report Willem de Bruijn
2020-12-28 16:28 ` Michael S. Tsirkin
2020-12-28 16:47 ` Willem de Bruijn
2020-12-28 17:22 ` Michael S. Tsirkin
2020-12-29 1:19 ` Willem de Bruijn
2020-12-28 21:36 ` Michael S. Tsirkin
2020-12-29 1:23 ` Willem de Bruijn
2020-12-28 16:22 ` [PATCH rfc 2/3] virtio-net: support receive timestamp Willem de Bruijn
2020-12-28 17:28 ` Michael S. Tsirkin
2020-12-28 19:30 ` Willem de Bruijn
2020-12-28 21:32 ` Michael S. Tsirkin
2020-12-29 1:05 ` Willem de Bruijn
2020-12-29 9:17 ` Jason Wang
2020-12-29 14:20 ` Willem de Bruijn
2020-12-30 8:38 ` Jason Wang
2020-12-28 22:59 ` Jakub Kicinski
2020-12-29 0:57 ` Willem de Bruijn
2020-12-30 8:44 ` Jason Wang
2020-12-30 12:30 ` Richard Cochran [this message]
2021-02-02 13:05 ` kernel test robot
2021-02-02 14:08 ` Michael S. Tsirkin
2021-02-02 22:17 ` Willem de Bruijn
2021-02-02 23:02 ` Michael S. Tsirkin
2021-02-02 23:43 ` Willem de Bruijn
2020-12-28 16:22 ` [PATCH rfc 3/3] virtio-net: support transmit timestamp Willem de Bruijn
2020-12-30 12:38 ` Richard Cochran
2020-12-30 15:25 ` Willem de Bruijn
2021-02-02 13:47 ` kernel test robot
2020-12-28 17:29 ` [PATCH rfc 0/3] virtio-net: add tx-hash, rx-tstamp and tx-tstamp Michael S. Tsirkin
2020-12-28 19:51 ` Willem de Bruijn
2020-12-28 21:38 ` Michael S. Tsirkin
2020-12-29 1:14 ` Willem de Bruijn
2021-01-06 20:32 ` Willem de Bruijn
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