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From: "Michael S. Tsirkin" <mst@redhat.com>
To: Sridhar Samudrala <sridhar.samudrala@intel.com>
Cc: stephen@networkplumber.org, netdev@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	alexander.duyck@gmail.com
Subject: Re: [RFC PATCH] virtio_net: Extend virtio to use VF datapath when available
Date: Tue, 19 Dec 2017 17:47:07 +0200	[thread overview]
Message-ID: <20171219174259-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <1513644036-45230-1-git-send-email-sridhar.samudrala@intel.com>

I'll need to look at this more, in particular the feature
bit is missing here. For now one question:

On Mon, Dec 18, 2017 at 04:40:36PM -0800, Sridhar Samudrala wrote:
> @@ -56,6 +58,8 @@ module_param(napi_tx, bool, 0644);
>   */
>  DECLARE_EWMA(pkt_len, 0, 64)
>  
> +#define VF_TAKEOVER_INT	(HZ / 10)
> +
>  #define VIRTNET_DRIVER_VERSION "1.0.0"
>  
>  static const unsigned long guest_offloads[] = {

Why is this delay necessary? And why by 100ms?

  reply	other threads:[~2017-12-19 15:47 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-19  0:40 [RFC PATCH] virtio_net: Extend virtio to use VF datapath when available Sridhar Samudrala
2017-12-19 15:47 ` Michael S. Tsirkin [this message]
2017-12-19 17:41   ` Samudrala, Sridhar
2017-12-19 17:55     ` Stephen Hemminger
2017-12-19 17:55     ` Stephen Hemminger
2017-12-19 18:07       ` Michael S. Tsirkin
2017-12-19 18:13         ` Stephen Hemminger
2017-12-19 18:13         ` Stephen Hemminger
2017-12-19 18:07       ` Michael S. Tsirkin
2017-12-19 18:21       ` David Miller
2017-12-19 18:41         ` Stephen Hemminger
2017-12-19 18:41         ` Stephen Hemminger
2017-12-19 19:42           ` Samudrala, Sridhar
2017-12-19 19:42           ` Samudrala, Sridhar
2017-12-19 19:46             ` Stephen Hemminger
2017-12-19 19:46             ` Stephen Hemminger
2017-12-19 22:37               ` Samudrala, Sridhar
2017-12-19 22:53                 ` Stephen Hemminger
2017-12-19 22:53                 ` Stephen Hemminger
2017-12-20  0:26                   ` Samudrala, Sridhar
2017-12-20  0:26                   ` Samudrala, Sridhar
2017-12-19 22:37               ` Samudrala, Sridhar
2017-12-21  1:31           ` Siwei Liu
2017-12-21  2:16           ` Siwei Liu
2017-12-21  4:52             ` Jakub Kicinski
2017-12-22  8:42               ` Siwei Liu
2017-12-22  8:42               ` Siwei Liu
2017-12-21  2:16           ` Siwei Liu
2017-12-19 18:21       ` David Miller
2017-12-19 18:20     ` David Miller
2017-12-20 10:51       ` Vitaly Kuznetsov
2017-12-20 10:51       ` Vitaly Kuznetsov
2017-12-19 18:20     ` David Miller
2017-12-19 17:41   ` Samudrala, Sridhar
2017-12-19 15:47 ` Michael S. Tsirkin
2017-12-20 22:33 ` Jakub Kicinski
2017-12-21  0:15   ` Michael S. Tsirkin
2017-12-21  0:29     ` Jakub Kicinski
2017-12-21  0:29     ` Jakub Kicinski
2017-12-21  0:15   ` Michael S. Tsirkin
2017-12-20 22:33 ` Jakub Kicinski
2017-12-21  0:14 ` Michael S. Tsirkin
2017-12-21  0:14 ` Michael S. Tsirkin
  -- strict thread matches above, loose matches on Subject: below --
2017-12-19  0:40 Sridhar Samudrala

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