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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: David Marchand <david.marchand@redhat.com>, dev@dpdk.org
Cc: ssimma@nvidia.com, yajunw@nvidia.com,
	"Chenbo Xia" <chenbo.xia@intel.com>,
	"Morten Brørup" <mb@smartsharesystems.com>
Subject: Re: [PATCH] vhost: fix vring enable with VDPA
Date: Mon, 6 Mar 2023 15:21:25 +0100	[thread overview]
Message-ID: <4a9339f3-59db-c339-2722-c63648eea44a@redhat.com> (raw)
In-Reply-To: <20230302094808.1519310-1-david.marchand@redhat.com>



On 3/2/23 10:48, David Marchand wrote:
> For VDPA devices, vq are not locked once the device has been configured.
> But we need to hold the vq lock to check if vhost async is enabled.
> 
> Combining VDPA and vhost async does not seem to make much sense, so
> prevent this combination, and only assert the lock is taken when VDPA is
> not configured on this vq.
> 
> Bugzilla ID: 1169
> Fixes: 4b02c2673757 ("vhost: annotate async accesses")
> 
> Signed-off-by: David Marchand <david.marchand@redhat.com>
> ---
>   lib/vhost/vhost.c      | 4 ++--
>   lib/vhost/vhost_user.c | 8 ++++----
>   2 files changed, 6 insertions(+), 6 deletions(-)
> 

Applied to dpdk-next-virtio/main.

Thanks,
Maxime


      parent reply	other threads:[~2023-03-06 14:21 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-02  9:48 David Marchand
2023-03-02 10:42 ` Maxime Coquelin
2023-03-03  5:45 ` Xia, Chenbo
2023-03-03 12:54 ` Ali Alnubani
2023-03-06 14:21 ` Maxime Coquelin [this message]

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