From: Paolo Bonzini <pbonzini@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: "Liang, Cunming" <cunming.liang@intel.com>,
"Bie, Tiwei" <tiwei.bie@intel.com>,
"jasowang@redhat.com" <jasowang@redhat.com>,
"alex.williamson@redhat.com" <alex.williamson@redhat.com>,
"stefanha@redhat.com" <stefanha@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"virtio-dev@lists.oasis-open.org"
<virtio-dev@lists.oasis-open.org>,
"Daly, Dan" <dan.daly@intel.com>,
"Tan, Jianfeng" <jianfeng.tan@intel.com>,
"Wang, Zhihong" <zhihong.wang@intel.com>,
"Wang, Xiao W" <xiao.w.wang@intel.com>
Subject: Re: [Qemu-devel] [virtio-dev] RE: [PATCH v3 6/6] vhost-user: support registering external host notifiers
Date: Thu, 19 Apr 2018 19:35:57 +0200 [thread overview]
Message-ID: <ce75f966-4170-e263-9e34-a0401bacc9e2@redhat.com> (raw)
In-Reply-To: <20180419200049-mutt-send-email-mst@kernel.org>
On 19/04/2018 19:27, Michael S. Tsirkin wrote:
>
> That CONFIG_SMP here is clearly wrong but I don't really know what
> to set it to. Also, we probably should switch virtio_wmb to dma_XX
> barriers.
>
> That's actually easy. Will try to do.
Should it be dma_wmb() before updating the indices, and wmb() before
writing the "kick virtqueue" register?
Paolo
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: "Liang, Cunming" <cunming.liang@intel.com>,
"Bie, Tiwei" <tiwei.bie@intel.com>,
"jasowang@redhat.com" <jasowang@redhat.com>,
"alex.williamson@redhat.com" <alex.williamson@redhat.com>,
"stefanha@redhat.com" <stefanha@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"virtio-dev@lists.oasis-open.org"
<virtio-dev@lists.oasis-open.org>,
"Daly, Dan" <dan.daly@intel.com>,
"Tan, Jianfeng" <jianfeng.tan@intel.com>,
"Wang, Zhihong" <zhihong.wang@intel.com>,
"Wang, Xiao W" <xiao.w.wang@intel.com>
Subject: Re: [virtio-dev] RE: [PATCH v3 6/6] vhost-user: support registering external host notifiers
Date: Thu, 19 Apr 2018 19:35:57 +0200 [thread overview]
Message-ID: <ce75f966-4170-e263-9e34-a0401bacc9e2@redhat.com> (raw)
In-Reply-To: <20180419200049-mutt-send-email-mst@kernel.org>
On 19/04/2018 19:27, Michael S. Tsirkin wrote:
>
> That CONFIG_SMP here is clearly wrong but I don't really know what
> to set it to. Also, we probably should switch virtio_wmb to dma_XX
> barriers.
>
> That's actually easy. Will try to do.
Should it be dma_wmb() before updating the indices, and wmb() before
writing the "kick virtqueue" register?
Paolo
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next prev parent reply other threads:[~2018-04-19 17:36 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-12 15:12 [Qemu-devel] [PATCH v3 0/6] Extend vhost-user to support registering external host notifiers Tiwei Bie
2018-04-12 15:12 ` [virtio-dev] " Tiwei Bie
2018-04-12 15:12 ` [Qemu-devel] [PATCH v3 1/6] vhost-user: add Net prefix to internal state structure Tiwei Bie
2018-04-12 15:12 ` [virtio-dev] " Tiwei Bie
2018-04-12 15:12 ` [Qemu-devel] [PATCH v3 2/6] vhost-user: introduce shared vhost-user state Tiwei Bie
2018-04-12 15:12 ` [virtio-dev] " Tiwei Bie
2018-05-23 13:44 ` [Qemu-devel] " Michael S. Tsirkin
2018-05-23 13:44 ` [virtio-dev] " Michael S. Tsirkin
2018-05-23 15:36 ` [Qemu-devel] " Michael S. Tsirkin
2018-05-23 15:36 ` [virtio-dev] " Michael S. Tsirkin
2018-05-23 15:43 ` [Qemu-devel] " Michael S. Tsirkin
2018-05-23 15:43 ` [virtio-dev] " Michael S. Tsirkin
2018-05-23 23:21 ` [Qemu-devel] " Tiwei Bie
2018-05-23 23:21 ` [virtio-dev] " Tiwei Bie
2018-05-24 2:24 ` [Qemu-devel] " Tiwei Bie
2018-05-24 2:24 ` [virtio-dev] " Tiwei Bie
2018-05-24 7:03 ` [Qemu-devel] " Tiwei Bie
2018-05-24 7:03 ` [virtio-dev] " Tiwei Bie
2018-05-24 10:59 ` [Qemu-devel] " Tiwei Bie
2018-05-24 10:59 ` [virtio-dev] " Tiwei Bie
2018-05-24 13:55 ` [Qemu-devel] " Michael S. Tsirkin
2018-05-24 13:55 ` [virtio-dev] " Michael S. Tsirkin
2018-05-24 14:54 ` [Qemu-devel] " Tiwei Bie
2018-05-24 14:54 ` Tiwei Bie
2018-05-24 14:30 ` [Qemu-devel] " Michael S. Tsirkin
2018-05-24 14:30 ` [virtio-dev] " Michael S. Tsirkin
2018-05-24 15:22 ` [Qemu-devel] " Tiwei Bie
2018-05-24 15:22 ` [virtio-dev] " Tiwei Bie
2018-05-24 13:50 ` [Qemu-devel] " Michael S. Tsirkin
2018-05-24 13:50 ` [virtio-dev] " Michael S. Tsirkin
2018-04-12 15:12 ` [Qemu-devel] [PATCH v3 3/6] vhost-user: support receiving file descriptors in slave_read Tiwei Bie
2018-04-12 15:12 ` [virtio-dev] " Tiwei Bie
2018-05-23 21:25 ` [Qemu-devel] " Michael S. Tsirkin
2018-05-23 21:25 ` [virtio-dev] " Michael S. Tsirkin
2018-05-23 23:12 ` [Qemu-devel] " Tiwei Bie
2018-05-23 23:12 ` Tiwei Bie
2018-05-24 13:48 ` [Qemu-devel] " Michael S. Tsirkin
2018-05-24 13:48 ` Michael S. Tsirkin
2018-05-24 14:56 ` [Qemu-devel] " Tiwei Bie
2018-05-24 14:56 ` Tiwei Bie
2018-04-12 15:12 ` [Qemu-devel] [PATCH v3 4/6] virtio: support setting memory region based host notifier Tiwei Bie
2018-04-12 15:12 ` [virtio-dev] " Tiwei Bie
2018-04-12 15:12 ` [Qemu-devel] [PATCH v3 5/6] vhost: allow backends to filter memory sections Tiwei Bie
2018-04-12 15:12 ` [virtio-dev] " Tiwei Bie
2018-04-12 15:12 ` [Qemu-devel] [PATCH v3 6/6] vhost-user: support registering external host notifiers Tiwei Bie
2018-04-12 15:12 ` [virtio-dev] " Tiwei Bie
2018-04-18 16:34 ` [Qemu-devel] " Michael S. Tsirkin
2018-04-18 16:34 ` [virtio-dev] " Michael S. Tsirkin
2018-04-19 11:14 ` [Qemu-devel] " Tiwei Bie
2018-04-19 11:14 ` [virtio-dev] " Tiwei Bie
2018-04-19 12:43 ` [Qemu-devel] " Liang, Cunming
2018-04-19 12:43 ` [virtio-dev] " Liang, Cunming
2018-04-19 13:02 ` [Qemu-devel] " Paolo Bonzini
2018-04-19 13:02 ` Paolo Bonzini
2018-04-19 15:19 ` [Qemu-devel] " Michael S. Tsirkin
2018-04-19 15:19 ` Michael S. Tsirkin
2018-04-19 15:51 ` [Qemu-devel] " Paolo Bonzini
2018-04-19 15:51 ` Paolo Bonzini
2018-04-19 15:59 ` [Qemu-devel] " Michael S. Tsirkin
2018-04-19 15:59 ` Michael S. Tsirkin
2018-04-19 16:07 ` [Qemu-devel] " Paolo Bonzini
2018-04-19 16:07 ` Paolo Bonzini
2018-04-19 16:48 ` [Qemu-devel] " Michael S. Tsirkin
2018-04-19 16:48 ` Michael S. Tsirkin
2018-04-19 16:24 ` [Qemu-devel] " Liang, Cunming
2018-04-19 16:24 ` Liang, Cunming
2018-04-19 16:55 ` [Qemu-devel] " Michael S. Tsirkin
2018-04-19 16:55 ` Michael S. Tsirkin
2018-04-20 3:01 ` [Qemu-devel] " Liang, Cunming
2018-04-20 3:01 ` Liang, Cunming
2018-04-19 15:42 ` [Qemu-devel] " Michael S. Tsirkin
2018-04-19 15:42 ` [virtio-dev] " Michael S. Tsirkin
2018-04-19 15:52 ` [Qemu-devel] " Paolo Bonzini
2018-04-19 15:52 ` [virtio-dev] " Paolo Bonzini
2018-04-19 16:34 ` [Qemu-devel] " Michael S. Tsirkin
2018-04-19 16:34 ` [virtio-dev] " Michael S. Tsirkin
2018-04-19 16:52 ` [Qemu-devel] " Liang, Cunming
2018-04-19 16:52 ` [virtio-dev] " Liang, Cunming
2018-04-19 16:59 ` [Qemu-devel] " Paolo Bonzini
2018-04-19 16:59 ` Paolo Bonzini
2018-04-19 17:27 ` [Qemu-devel] " Michael S. Tsirkin
2018-04-19 17:27 ` Michael S. Tsirkin
2018-04-19 17:35 ` Paolo Bonzini [this message]
2018-04-19 17:35 ` Paolo Bonzini
2018-04-19 17:39 ` [Qemu-devel] " Michael S. Tsirkin
2018-04-19 17:39 ` Michael S. Tsirkin
2018-04-19 17:00 ` [Qemu-devel] " Michael S. Tsirkin
2018-04-19 17:00 ` [virtio-dev] " Michael S. Tsirkin
2018-04-19 23:05 ` [Qemu-devel] " Liang, Cunming
2018-04-19 23:05 ` [virtio-dev] " Liang, Cunming
2018-04-19 16:27 ` [Qemu-devel] " Liang, Cunming
2018-04-19 16:27 ` [virtio-dev] " Liang, Cunming
2018-05-02 10:32 ` [Qemu-devel] " Tiwei Bie
2018-05-02 10:32 ` [virtio-dev] " Tiwei Bie
2018-05-16 1:41 ` [Qemu-devel] [PATCH v3 0/6] Extend vhost-user to " Michael S. Tsirkin
2018-05-16 1:41 ` [virtio-dev] " Michael S. Tsirkin
2018-05-16 1:56 ` [Qemu-devel] " Tiwei Bie
2018-05-16 1:56 ` [virtio-dev] " Tiwei Bie
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