From: David Miller <davem@davemloft.net>
To: mst@redhat.com
Cc: jasowang@redhat.com, netdev@vger.kernel.org, kvm@vger.kernel.org,
virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next 0/9] TX used ring batched updating for vhost
Date: Sun, 22 Jul 2018 09:44:12 -0700 (PDT) [thread overview]
Message-ID: <20180722.094412.532906090262121741.davem@davemloft.net> (raw)
In-Reply-To: <20180722173622-mutt-send-email-mst@kernel.org>
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Sun, 22 Jul 2018 17:37:05 +0300
> On Fri, Jul 20, 2018 at 08:15:12AM +0800, Jason Wang wrote:
>> Hi:
>>
>> This series implement batch updating of used ring for TX. This help to
>> reduce the cache contention on used ring. The idea is first split
>> datacopy path from zerocopy, and do only batching for datacopy. This
>> is because zercopy had already supported its own batching.
>>
>> TX PPS was increased 25.8% and Netperf TCP does not show obvious
>> differences.
>>
>> The split of datapath will also be helpful for future implementation
>> like in order completion.
>>
>> Please review.
>>
>> Thanks
>
> Acked-by: Michael S. Tsirkin <mst@redhat.com>
>
> I'm very happy with the split, the mixed data path became hard to
> maintain.
Thanks for reviewing.
Series applied, thanks everyone.
prev parent reply other threads:[~2018-07-22 16:44 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-20 0:15 Jason Wang
2018-07-20 0:15 ` [PATCH net-next 1/9] vhost_net: drop unnecessary parameter Jason Wang
2018-07-20 0:15 ` [PATCH net-next 2/9] vhost_net: introduce helper to initialize tx iov iter Jason Wang
2018-07-20 0:15 ` [PATCH net-next 3/9] vhost_net: introduce vhost_exceeds_weight() Jason Wang
2018-07-20 0:15 ` [PATCH net-next 4/9] vhost_net: introduce get_tx_bufs() Jason Wang
2018-07-20 0:15 ` [PATCH net-next 5/9] vhost_net: introduce tx_can_batch() Jason Wang
2018-07-20 0:15 ` [PATCH net-next 6/9] vhost_net: split out datacopy logic Jason Wang
2018-07-20 0:15 ` [PATCH net-next 7/9] vhost_net: rename vhost_rx_signal_used() to vhost_net_signal_used() Jason Wang
2018-07-20 0:15 ` [PATCH net-next 8/9] vhost_net: rename VHOST_RX_BATCH to VHOST_NET_BATCH Jason Wang
2018-07-20 0:15 ` [PATCH net-next 9/9] vhost_net: batch update used ring for datacopy TX Jason Wang
2018-07-22 4:44 ` [PATCH net-next 0/9] TX used ring batched updating for vhost David Miller
2018-07-22 14:37 ` Michael S. Tsirkin
2018-07-22 16:44 ` David Miller [this message]
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