From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
To: Jianfeng Tan <jianfeng.tan@intel.com>
Cc: dev@dpdk.org, ferruh.yigit@intel.com, cunming.liang@intel.com,
stable@dpdk.org
Subject: Re: [PATCH v3 2/7] net/virtio_user: fix not properly reset device
Date: Wed, 4 Jan 2017 13:46:27 +0800 [thread overview]
Message-ID: <20170104054627.GF21228@yliu-dev.sh.intel.com> (raw)
In-Reply-To: <1483502366-140154-3-git-send-email-jianfeng.tan@intel.com>
On Wed, Jan 04, 2017 at 03:59:21AM +0000, Jianfeng Tan wrote:
> virtio_user is not properly reset when users call vtpci_reset(),
> as it ignores VIRTIO_CONFIG_STATUS_RESET status in
> virtio_user_set_status().
>
> This might lead to initialization failure as it starts to re-init
> the device before sending RESET messege to backend. Besides, previous
> callfds and kickfds are not closed.
>
> To fix it, we add support to disable virtqueues when it's set to
> DRIVER OK status, and re-init fields in struct virtio_user_dev.
>
> Fixes: e9efa4d93821 ("net/virtio-user: add new virtual PCI driver")
> Fixes: 37a7eb2ae816 ("net/virtio-user: add device emulation layer")
>
> CC: stable@dpdk.org
>
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
Note that, typically, there should be no empty line between 'Cc' and SoB.
> ---
> drivers/net/virtio/virtio_user/virtio_user_dev.c | 26 ++++++++++++++++--------
> drivers/net/virtio/virtio_user_ethdev.c | 15 ++++++++------
> 2 files changed, 27 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c
> index 0d7e17b..a38398b 100644
> --- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
> +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
> @@ -182,7 +182,17 @@ virtio_user_start_device(struct virtio_user_dev *dev)
>
> int virtio_user_stop_device(struct virtio_user_dev *dev)
The name doesn't seem to be well named: "dev_stop" comes to my firstly
when I saw that :/
Rename it to "xxx_reset_device"?
--yliu
next prev parent reply other threads:[~2017-01-04 5:46 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-02 14:31 [PATCH 0/3] virtio_user as an alternative exception path Jianfeng Tan
2016-12-02 14:31 ` [PATCH 1/3] net/virtio_user: add vhost layer Jianfeng Tan
2016-12-08 7:21 ` Yuanhan Liu
2016-12-02 14:31 ` [PATCH 2/3] net/virtio_user: add vhost kernel support Jianfeng Tan
2016-12-02 14:31 ` [PATCH 3/3] net/virtio_user: fix wrongly set features Jianfeng Tan
2016-12-08 8:32 ` Yuanhan Liu
2016-12-02 14:44 ` [PATCH 0/3] virtio_user as an alternative exception path Thomas Monjalon
2016-12-23 7:14 ` [PATCH v2 0/7] " Jianfeng Tan
2016-12-23 7:14 ` [PATCH v2 1/7] net/virtio_user: fix wrongly set features Jianfeng Tan
2016-12-23 7:14 ` [PATCH v2 2/7] net/virtio_user: postpone DRIVER OK notification Jianfeng Tan
2016-12-26 6:27 ` Yuanhan Liu
2016-12-26 6:55 ` Tan, Jianfeng
2016-12-26 8:02 ` Yuanhan Liu
2016-12-26 8:26 ` Tan, Jianfeng
2016-12-23 7:14 ` [PATCH v2 3/7] net/virtio_user: move vhost user specific code Jianfeng Tan
2016-12-26 6:28 ` Yuanhan Liu
2016-12-26 6:58 ` Tan, Jianfeng
2016-12-26 7:57 ` Yuanhan Liu
2016-12-29 9:40 ` Tan, Jianfeng
2016-12-23 7:14 ` [PATCH v2 4/7] net/virtio_user: abstract virtio user backend ops Jianfeng Tan
2016-12-26 6:41 ` Yuanhan Liu
2016-12-23 7:14 ` [PATCH v2 5/7] net/virtio_user: add vhost kernel support Jianfeng Tan
2016-12-26 7:44 ` Yuanhan Liu
2017-01-04 7:22 ` Tan, Jianfeng
2017-01-04 7:46 ` Yuanhan Liu
2017-01-09 4:51 ` Jason Wang
2017-01-09 4:39 ` Jason Wang
2017-01-10 6:11 ` Tan, Jianfeng
2017-01-10 8:46 ` Thomas Monjalon
2017-01-10 9:11 ` Tan, Jianfeng
2017-01-11 2:42 ` Jason Wang
2017-01-11 3:13 ` Tan, Jianfeng
2017-01-11 3:23 ` Jason Wang
2017-01-12 9:40 ` Tan, Jianfeng
2017-01-13 2:27 ` Jason Wang
2017-01-11 2:30 ` Tan, Jianfeng
2017-01-11 2:45 ` Jason Wang
2016-12-23 7:14 ` [PATCH v2 6/7] net/virtio_user: enable offloading Jianfeng Tan
2016-12-26 7:53 ` Yuanhan Liu
2016-12-23 7:14 ` [PATCH v2 7/7] net/virtio_user: enable multiqueue with vhost kernel Jianfeng Tan
2017-01-04 3:59 ` [PATCH v3 0/7] virtio_user as an alternative exception path Jianfeng Tan
2017-01-04 3:59 ` [PATCH v3 1/7] net/virtio_user: fix wrongly set features Jianfeng Tan
2017-01-04 3:59 ` [PATCH v3 2/7] net/virtio_user: fix not properly reset device Jianfeng Tan
2017-01-04 5:46 ` Yuanhan Liu [this message]
2017-01-04 3:59 ` [PATCH v3 3/7] net/virtio_user: move vhost user specific code Jianfeng Tan
2017-01-04 6:02 ` Yuanhan Liu
2017-01-04 6:46 ` Tan, Jianfeng
2017-01-04 7:08 ` Yuanhan Liu
2017-01-04 3:59 ` [PATCH v3 4/7] net/virtio_user: abstract virtio user backend ops Jianfeng Tan
2017-01-04 6:11 ` Yuanhan Liu
2017-01-04 3:59 ` [PATCH v3 5/7] net/virtio_user: add vhost kernel support Jianfeng Tan
2017-01-04 6:13 ` Yuanhan Liu
2017-01-04 3:59 ` [PATCH v3 6/7] net/virtio_user: enable offloading Jianfeng Tan
2017-01-04 3:59 ` [PATCH v3 7/7] net/virtio_user: enable multiqueue with vhost kernel Jianfeng Tan
2017-01-09 14:06 ` [PATCH v3 0/7] virtio_user as an alternative exception path Bruce Richardson
2017-01-10 8:46 ` Tan, Jianfeng
2017-01-13 12:18 ` [PATCH v4 0/8] " Jianfeng Tan
2017-01-13 12:18 ` [PATCH v4 1/8] net/virtio_user: fix wrongly get/set features Jianfeng Tan
2017-01-13 12:18 ` [PATCH v4 2/8] net/virtio_user: fix not properly reset device Jianfeng Tan
2017-01-13 12:18 ` [PATCH v4 3/8] net/virtio_user: move vhost user specific code Jianfeng Tan
2017-01-13 12:18 ` [PATCH v4 4/8] net/virtio_user: abstract virtio user backend ops Jianfeng Tan
2017-01-13 12:18 ` [PATCH v4 5/8] net/virtio_user: add vhost kernel support Jianfeng Tan
2017-01-13 12:18 ` [PATCH v4 6/8] net/virtio_user: enable offloading Jianfeng Tan
2017-01-13 12:18 ` [PATCH v4 7/8] net/virtio_user: enable multiqueue with vhost kernel Jianfeng Tan
2017-01-13 12:18 ` [PATCH v4 8/8] doc: add guide to use virtio_user as exceptional path Jianfeng Tan
2017-01-16 6:00 ` Yuanhan Liu
2017-01-16 6:04 ` Yuanhan Liu
2017-01-16 9:44 ` Thomas Monjalon
2017-01-16 9:49 ` Yuanhan Liu
2017-01-16 14:45 ` Thomas Monjalon
2017-01-22 0:46 ` Aws Ismail
2017-01-22 7:16 ` Tan, Jianfeng
2017-01-16 15:05 ` [PATCH v4 0/8] virtio_user as an alternative exception path Yuanhan Liu
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=20170104054627.GF21228@yliu-dev.sh.intel.com \
--to=yuanhan.liu@linux.intel.com \
--cc=cunming.liang@intel.com \
--cc=dev@dpdk.org \
--cc=ferruh.yigit@intel.com \
--cc=jianfeng.tan@intel.com \
--cc=stable@dpdk.org \
/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.