From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: Tiwei Bie <tiwei.bie@intel.com>, zhihong.wang@intel.com, dev@dpdk.org
Cc: seanbh@gmail.com, anatoly.burakov@intel.com, stable@dpdk.org
Subject: Re: [dpdk-dev] [PATCH 1/3] net/virtio-user: fix deadlock in memory events callback
Date: Tue, 11 Sep 2018 14:52:27 +0200 [thread overview]
Message-ID: <ca098828-3f54-3b47-194b-3cb0a2ccc3aa@redhat.com> (raw)
In-Reply-To: <20180905042852.6212-2-tiwei.bie@intel.com>
On 09/05/2018 06:28 AM, Tiwei Bie wrote:
> Deadlock can occur when allocating memory if a vhost-kernel
> based virtio-user device is in use. To fix the deadlock,
> we will take memory hotplug lock explicitly in virtio-user
> when necessary, and always call the _thread_unsafe memory
> functions.
>
> Bugzilla ID: 81
> Fixes: 12ecb2f63b12 ("net/virtio-user: support memory hotplug")
> Cc: stable@dpdk.org
>
> Reported-by: Seán Harte <seanbh@gmail.com>
> Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
> ---
> drivers/net/virtio/virtio_user/vhost_kernel.c | 6 +++++-
> .../net/virtio/virtio_user/virtio_user_dev.c | 19 +++++++++++++++++++
> 2 files changed, 24 insertions(+), 1 deletion(-)
>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Thanks,
Maxime
next prev parent reply other threads:[~2018-09-11 12:52 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-05 4:28 [dpdk-dev] [PATCH 0/3] Some fixes/improvements for virtio-user memory table Tiwei Bie
2018-09-05 4:28 ` [dpdk-dev] [PATCH 1/3] net/virtio-user: fix deadlock in memory events callback Tiwei Bie
2018-09-05 8:10 ` Sean Harte
2018-09-07 9:30 ` Burakov, Anatoly
2018-09-11 12:52 ` Maxime Coquelin [this message]
2018-09-05 4:28 ` [dpdk-dev] [PATCH 2/3] net/virtio-user: avoid parsing process mappings Tiwei Bie
2018-09-07 9:39 ` Burakov, Anatoly
2018-09-07 11:35 ` Tiwei Bie
2018-09-07 12:21 ` Burakov, Anatoly
2018-09-10 3:59 ` Tiwei Bie
2018-09-17 10:17 ` Burakov, Anatoly
2018-09-17 11:57 ` Tiwei Bie
2018-09-17 13:06 ` Burakov, Anatoly
2018-09-11 12:58 ` Maxime Coquelin
2018-09-05 4:28 ` [dpdk-dev] [PATCH 3/3] net/virtio-user: fix memory hotplug support in vhost-kernel Tiwei Bie
2018-09-07 9:44 ` Burakov, Anatoly
2018-09-07 11:37 ` Tiwei Bie
2018-09-07 12:24 ` Burakov, Anatoly
2018-09-10 4:04 ` Tiwei Bie
2018-09-17 10:18 ` Burakov, Anatoly
2018-09-11 13:10 ` Maxime Coquelin
2018-09-11 13:11 ` [dpdk-dev] [PATCH 0/3] Some fixes/improvements for virtio-user memory table Maxime Coquelin
2018-09-20 7:35 ` Maxime Coquelin
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=ca098828-3f54-3b47-194b-3cb0a2ccc3aa@redhat.com \
--to=maxime.coquelin@redhat.com \
--cc=anatoly.burakov@intel.com \
--cc=dev@dpdk.org \
--cc=seanbh@gmail.com \
--cc=stable@dpdk.org \
--cc=tiwei.bie@intel.com \
--cc=zhihong.wang@intel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).