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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: Joyce Kong <joyce.kong@arm.com>,
	chenbo.xia@intel.com, honnappa.nagarahalli@arm.com,
	ruifeng.wang@arm.com
Cc: dev@dpdk.org, nd@arm.com
Subject: Re: [dpdk-dev] [PATCH v1 1/8] examples/vhost: relax memory ordering when enqueue/dequeue
Date: Thu, 7 Jan 2021 17:33:21 +0100	[thread overview]
Message-ID: <80486e3b-46fe-66f1-a4fb-6a877fe50c06@redhat.com> (raw)
In-Reply-To: <20201221155033.6771-2-joyce.kong@arm.com>



On 12/21/20 4:50 PM, Joyce Kong wrote:
> Use C11 atomic APIs with one-way barriers to replace two-way
> barriers when operating enqueue/dequeue. Used->idx and avail->idx
> are the synchronization points for split vring.
> 
> Signed-off-by: Joyce Kong <joyce.kong@arm.com>
> Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
> ---
>  examples/vhost/virtio_net.c | 12 ++++--------
>  1 file changed, 4 insertions(+), 8 deletions(-)

Nice!

Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

Thanks,
Maxime


  reply	other threads:[~2021-01-07 16:33 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-21 15:50 [dpdk-dev] [PATCH v1 0/8] replace smp barriers in vhost with C11 atomic Joyce Kong
2020-12-21 15:50 ` [dpdk-dev] [PATCH v1 1/8] examples/vhost: relax memory ordering when enqueue/dequeue Joyce Kong
2021-01-07 16:33   ` Maxime Coquelin [this message]
2020-12-21 15:50 ` [dpdk-dev] [PATCH v1 2/8] examples/vhost_blk: replace smp with thread fence Joyce Kong
2021-01-07 16:35   ` Maxime Coquelin
2020-12-21 15:50 ` [dpdk-dev] [PATCH v1 3/8] vhost: remove unnecessary smp barrier for desc flags Joyce Kong
2021-01-07 16:38   ` Maxime Coquelin
2020-12-21 15:50 ` [dpdk-dev] [PATCH v1 4/8] vhost: remove unnecessary smp barrier for avail idx Joyce Kong
2021-01-07 16:43   ` Maxime Coquelin
2020-12-21 15:50 ` [dpdk-dev] [PATCH v1 5/8] vhost: relax full barriers for desc flags Joyce Kong
2021-01-07 16:45   ` Maxime Coquelin
2020-12-21 15:50 ` [dpdk-dev] [PATCH v1 6/8] vhost: relax full barriers for used idx Joyce Kong
2021-01-07 16:46   ` Maxime Coquelin
2020-12-21 15:50 ` [dpdk-dev] [PATCH v1 7/8] vhost: replace smp with thread fence for packed vring Joyce Kong
2021-01-07 17:06   ` Maxime Coquelin
2020-12-21 15:50 ` [dpdk-dev] [PATCH v1 8/8] vhost: replace smp with thread fence for control path Joyce Kong
2021-01-07 17:15   ` Maxime Coquelin
2021-01-08  9:16 ` [dpdk-dev] [PATCH v1 0/8] replace smp barriers in vhost with C11 atomic Maxime Coquelin

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