Date: Wed, 16 Jul 2014 23:21:16 -0700 (PDT)
Message-Id: <20140716.232116.802194909968085691.davem@davemloft.net>
To: jasowang@redhat.com
Cc: rusty@rustcorp.com.au, mst@redhat.com,
        virtualization@lists.linux-foundation.org, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next V2 0/3] rx busy polling support for virtio-net 
From: David Miller <davem@davemloft.net>
In-Reply-To: <1405491707-22706-1-git-send-email-jasowang@redhat.com>
References: <1405491707-22706-1-git-send-email-jasowang@redhat.com>
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Sender: linux-kernel-owner@vger.kernel.org

From: Jason Wang <jasowang@redhat.com>
Date: Wed, 16 Jul 2014 14:21:44 +0800

> Hi all:
> 
> This series introduces the support for rx busy polling support. This
> was useful for reduing the latency for a kvm guest. Patch 1-2
> introduces helpers which is used for rx busy polling. Patch 3
> implement the main function.
> 
> Test was done between a kvm guest and an external host. Two hosts were
> connected through 40gb mlx4 cards. With both busy_poll and busy_read are
> set to 50 in guest, 1 byte netperf tcp_rr shows 116% improvement:
> transaction rate was increased from 9151.94 to 19787.37.
> 
> Changes from V1:
> - split the patch info smaller ones
> - add more details about test setup/configuration
> 
> Please review.

Looks like you can make some minor adjustments based upon review, and
anyways I'd like to wait for Michael to get back and review a change
of this nature.

Thanks.
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