netdev - Re: [PATCH v5 03/11] vhost-vdpa: protect concurrent access to vhost device iotlb

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Date:   Thu, 25 Mar 2021 12:08:31 +0100
From:   Stefano Garzarella <sgarzare@...hat.com>
To:     Xie Yongji <xieyongji@...edance.com>
Cc:     mst@...hat.com, jasowang@...hat.com, stefanha@...hat.com,
        parav@...dia.com, bob.liu@...cle.com, hch@...radead.org,
        rdunlap@...radead.org, willy@...radead.org,
        viro@...iv.linux.org.uk, axboe@...nel.dk, bcrl@...ck.org,
        corbet@....net, mika.penttila@...tfour.com,
        dan.carpenter@...cle.com,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        kvm@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH v5 03/11] vhost-vdpa: protect concurrent access to vhost
 device iotlb

On Mon, Mar 15, 2021 at 01:37:13PM +0800, Xie Yongji wrote:
>Use vhost_dev->mutex to protect vhost device iotlb from
>concurrent access.
>
>Fixes: 4c8cf318("vhost: introduce vDPA-based backend")
>Signed-off-by: Xie Yongji <xieyongji@...edance.com>
>---
> drivers/vhost/vdpa.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)


Reviewed-by: Stefano Garzarella <sgarzare@...hat.com>