All of lore.kernel.org
 help / color / mirror / Atom feed
From: Peter Xu <peterx@redhat.com>
To: Jason Wang <jasowang@redhat.com>
Cc: mst@redhat.com, qemu-devel@nongnu.org, pbonzini@redhat.com,
	cornelia.huck@de.ibm.com, wexu@redhat.com, vkaplans@redhat.com
Subject: Re: [Qemu-devel] [PATCH for 2.8 11/11] vhost_net: device IOTLB support
Date: Fri, 2 Sep 2016 13:47:39 +0800	[thread overview]
Message-ID: <20160902054739.GA18496@pxdev.xzpeter.org> (raw)
In-Reply-To: <58fe1e22-96a7-e1e7-0ade-8e8407f75cc8@redhat.com>

On Thu, Sep 01, 2016 at 03:36:40PM +0800, Jason Wang wrote:
> The synchronization were done in kernel:
> 
> - message dequeue and enqueue were protected by a spinlock
> - the data path and control path (e.g IOTLB updating) were synchronized
> through mutex

Yes I didn't notice it's the vhost chr device... Thanks!

-- peterx

  reply	other threads:[~2016-09-02  5:47 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-30  3:06 [Qemu-devel] [PATCH for 2.8 00/11] virtio/vhost DMAR support Jason Wang
2016-08-30  3:06 ` [Qemu-devel] [PATCH for 2.8 01/11] linux-headers: update to 4.8-rc4 Jason Wang
2016-09-05  1:24   ` Wei Xu
2016-09-05  1:26     ` Michael S. Tsirkin
2016-09-06  6:28       ` Jason Wang
2016-08-30  3:06 ` [Qemu-devel] [PATCH for 2.8 02/11] virtio: convert to use DMA api Jason Wang
2016-08-30  7:31   ` Cornelia Huck
2016-08-30 10:02     ` Michael S. Tsirkin
2016-08-30 10:21       ` Michael S. Tsirkin
2016-08-30 11:11         ` [Qemu-devel] qom and debug (was: [PATCH for 2.8 02/11] virtio: convert to use DMA api) Cornelia Huck
2016-08-30 11:15           ` Michael S. Tsirkin
2016-08-30 11:37             ` [Qemu-devel] qom and debug Cornelia Huck
2016-08-30 11:57               ` Michael S. Tsirkin
2016-08-31  2:47     ` [Qemu-devel] [PATCH for 2.8 02/11] virtio: convert to use DMA api Jason Wang
2016-09-05  2:26   ` Wei Xu
2016-09-06  6:30     ` Jason Wang
2016-09-05  2:33   ` Michael S. Tsirkin
2016-08-30  3:06 ` [Qemu-devel] [PATCH for 2.8 03/11] intel_iommu: name vtd address space with devfn Jason Wang
2016-09-05  6:56   ` Wei Xu
2016-08-30  3:06 ` [Qemu-devel] [PATCH for 2.8 04/11] intel_iommu: allocate new key when creating new address space Jason Wang
2016-08-30  3:06 ` [Qemu-devel] [PATCH for 2.8 05/11] exec: introduce address_space_get_iotlb_entry() Jason Wang
2016-08-30  3:06 ` [Qemu-devel] [PATCH for 2.8 06/11] intel_iommu: support device iotlb descriptor Jason Wang
2016-08-30 13:16   ` Peter Xu
2016-08-31  2:54     ` Jason Wang
2016-09-01  1:26       ` Peter Xu
2016-08-30  3:06 ` [Qemu-devel] [PATCH for 2.8 07/11] virtio-pci: address space translation service (ATS) support Jason Wang
2016-08-30 13:21   ` Peter Xu
2016-08-31  2:55     ` Jason Wang
2016-08-30  3:06 ` [Qemu-devel] [PATCH for 2.8 08/11] acpi: add ATSR for q35 Jason Wang
2016-08-30  3:06 ` [Qemu-devel] [PATCH for 2.8 09/11] memory: handle alias for iommu notifier Jason Wang
2016-08-30 13:28   ` Peter Xu
2016-08-30  3:06 ` [Qemu-devel] [PATCH for 2.8 10/11] Revert "intel_iommu: Throw hw_error on notify_started" Jason Wang
2016-08-30  3:37   ` Alex Williamson
2016-08-31  2:45     ` Jason Wang
2016-09-01  2:29       ` Peter Xu
2016-09-01  2:43         ` Alex Williamson
2016-09-01  3:58           ` Peter Xu
2016-09-02  4:15             ` David Gibson
2016-09-02  5:37               ` Peter Xu
2016-09-02  6:10                 ` David Gibson
2016-09-02  6:15                   ` Peter Xu
2016-09-02  6:18                     ` Peter Xu
2016-09-02  7:00                       ` David Gibson
2016-09-02  9:31                         ` Peter Xu
2016-09-02 15:13                           ` Alex Williamson
2016-09-05  6:28                             ` Peter Xu
2016-08-30  3:06 ` [Qemu-devel] [PATCH for 2.8 11/11] vhost_net: device IOTLB support Jason Wang
2016-09-01  3:34   ` Peter Xu
2016-09-01  7:36     ` Jason Wang
2016-09-02  5:47       ` Peter Xu [this message]
2016-08-30  3:25 ` [Qemu-devel] [PATCH for 2.8 00/11] virtio/vhost DMAR support no-reply
2016-08-30  3:29 ` no-reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20160902054739.GA18496@pxdev.xzpeter.org \
    --to=peterx@redhat.com \
    --cc=cornelia.huck@de.ibm.com \
    --cc=jasowang@redhat.com \
    --cc=mst@redhat.com \
    --cc=pbonzini@redhat.com \
    --cc=qemu-devel@nongnu.org \
    --cc=vkaplans@redhat.com \
    --cc=wexu@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.