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-stable] [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: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20180905042852.6212-1-tiwei.bie@intel.com>
2018-09-05 4:28 ` 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-stable] [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
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