From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: Ilya Maximets <i.maximets@samsung.com>,
dev@dpdk.org, "Michael S . Tsirkin" <mst@redhat.com>,
Xiao Wang <xiao.w.wang@intel.com>
Cc: Tiwei Bie <tiwei.bie@intel.com>,
Zhihong Wang <zhihong.wang@intel.com>,
jfreimann@redhat.com, Jason Wang <jasowang@redhat.com>,
xiaolong.ye@intel.com, alejandro.lucero@netronome.com
Subject: Re: [dpdk-dev] [PATCH v3 3/3] net/virtio: add platform memory ordering feature support
Date: Thu, 10 Jan 2019 15:31:34 +0100 [thread overview]
Message-ID: <1d59681b-09d0-17b7-895c-fa18b4942503@redhat.com> (raw)
In-Reply-To: <20190109145015.3010-4-i.maximets@samsung.com>
On 1/9/19 3:50 PM, Ilya Maximets wrote:
> VIRTIO_F_ORDER_PLATFORM is required to use proper memory barriers
> in case of HW vhost implementations like vDPA.
>
> DMA barriers (rte_cio_*) are sufficent for that purpose.
>
> Previously known as VIRTIO_F_IO_BARRIER.
>
> Signed-off-by: Ilya Maximets<i.maximets@samsung.com>
> ---
> drivers/net/virtio/virtio_ethdev.c | 2 ++
> drivers/net/virtio/virtio_ethdev.h | 3 ++-
> drivers/net/virtio/virtio_pci.h | 7 +++++
> drivers/net/virtio/virtio_rxtx.c | 16 ++++++------
> drivers/net/virtio/virtqueue.h | 41 ++++++++++++++++++++++++------
> 5 files changed, 52 insertions(+), 17 deletions(-)
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Thanks,
Maxime
next prev parent reply other threads:[~2019-01-10 14:31 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20181214153817eucas1p19a41cdd791879252e1f3a5d77c427845@eucas1p1.samsung.com>
2018-12-14 15:38 ` [dpdk-dev] [PATCH] " Ilya Maximets
2018-12-14 17:00 ` Michael S. Tsirkin
2018-12-14 17:23 ` Ilya Maximets
[not found] ` <CGME20181226163717eucas1p15276eb45e35abe2c9cf3e7c1e0050823@eucas1p1.samsung.com>
2018-12-26 16:37 ` [dpdk-dev] [PATCH v2] " Ilya Maximets
2018-12-27 10:07 ` Shahaf Shuler
2019-01-09 14:34 ` Ilya Maximets
2019-01-09 15:50 ` Michael S. Tsirkin
2019-01-10 20:36 ` Shahaf Shuler
2019-01-15 6:33 ` Shahaf Shuler
2019-01-15 8:29 ` Ilya Maximets
2019-01-15 8:55 ` Shahaf Shuler
2019-01-15 10:23 ` Ilya Maximets
2019-02-12 17:50 ` Michael S. Tsirkin
[not found] ` <CGME20190109145021eucas1p1bfe194ffafaaaa5df62243c92b2ed6cd@eucas1p1.samsung.com>
2019-01-09 14:50 ` [dpdk-dev] [PATCH v3 0/3] Missing barriers and VIRTIO_F_ORDER_PLATFORM Ilya Maximets
[not found] ` <CGME20190109145027eucas1p2437215de0df4c691eb84d4e84bfc71e5@eucas1p2.samsung.com>
2019-01-09 14:50 ` [dpdk-dev] [PATCH v3 1/3] net/virtio: add missing barrier before reading the flags Ilya Maximets
2019-01-10 14:31 ` Maxime Coquelin
[not found] ` <CGME20190109145034eucas1p2183e275e316b87917b96fa184fc7d7cb@eucas1p2.samsung.com>
2019-01-09 14:50 ` [dpdk-dev] [PATCH v3 2/3] net/virtio: update memory ordering comment for vq notify Ilya Maximets
2019-01-10 8:19 ` Gavin Hu (Arm Technology China)
2019-01-10 9:18 ` Maxime Coquelin
2019-01-10 9:55 ` Ilya Maximets
2019-01-10 14:56 ` Michael S. Tsirkin
2019-01-10 14:31 ` Maxime Coquelin
[not found] ` <CGME20190109145040eucas1p2d9afc678ef94986544bde07b77373e6f@eucas1p2.samsung.com>
2019-01-09 14:50 ` [dpdk-dev] [PATCH v3 3/3] net/virtio: add platform memory ordering feature support Ilya Maximets
2019-01-10 14:31 ` Maxime Coquelin [this message]
2019-01-09 14:55 ` [dpdk-dev] [PATCH v3 0/3] Missing barriers and VIRTIO_F_ORDER_PLATFORM Michael S. Tsirkin
2019-01-09 15:24 ` Ilya Maximets
2019-01-09 16:53 ` Ferruh Yigit
2019-01-10 15:19 ` Maxime Coquelin
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