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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 2/4] net/virtio: replace smp barrier with IO barrier
Date: Thu, 7 Jan 2021 15:42:48 +0100
Message-ID: <450a63ec-2321-fb17-171a-31aee1c5b22b@redhat.com> (raw)
In-Reply-To: <20201221142321.51606-3-joyce.kong@arm.com>



On 12/21/20 3:23 PM, Joyce Kong wrote:
> Replace rte_smp_wmb/rmb with rte_io_wmb/rmb as they are the same on x86
> and ppc platforms. Then, for function virtqueue_fetch_flags_packed/
> virtqueue_store_flags_packed, the if and else branch are still identical
> for the platforms except Arm.
> 
> Signed-off-by: Joyce Kong <joyce.kong@arm.com>
> Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
> ---
>  drivers/net/virtio/virtqueue.h | 27 +++++++++++++--------------
>  1 file changed, 13 insertions(+), 14 deletions(-)
> 

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


  reply	other threads:[~2021-01-07 14:43 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-21 14:23 [dpdk-dev] [PATCH v1 0/4] replace smp barriers in virtio with C11 atomic Joyce Kong
2020-12-21 14:23 ` [dpdk-dev] [PATCH v1 1/4] net/virtio: remove unnecessary rmb barrier Joyce Kong
2021-01-07 14:12   ` Maxime Coquelin
2020-12-21 14:23 ` [dpdk-dev] [PATCH v1 2/4] net/virtio: replace smp barrier with IO barrier Joyce Kong
2021-01-07 14:42   ` Maxime Coquelin [this message]
2020-12-21 14:23 ` [dpdk-dev] [PATCH v1 3/4] net/virtio: replace full barrier with relaxed barrier for Arm platform Joyce Kong
2021-01-07 14:47   ` Maxime Coquelin
2020-12-21 14:23 ` [dpdk-dev] [PATCH v1 4/4] net/virtio: replace full barrier with thread fence Joyce Kong
2021-01-07 16:28   ` Maxime Coquelin
2021-01-08  9:16 ` [dpdk-dev] [PATCH v1 0/4] replace smp barriers in virtio with C11 atomic Maxime Coquelin

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