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Subject: Re: [RFC PATCH 01/24] vhost-vdpa: fix backend feature ioctls
To:     Eli Cohen <elic@nvidia.com>
Cc:     mst@redhat.com, lulu@redhat.com, kvm@vger.kernel.org,
        virtualization@lists.linux-foundation.org, netdev@vger.kernel.org,
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        lingshan.zhu@intel.com, eperezma@redhat.com, hanand@xilinx.com,
        mhabets@solarflare.com, eli@mellanox.com, amorenoz@redhat.com,
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        sgarzare@redhat.com
References: <20200924032125.18619-1-jasowang@redhat.com>
 <20200924032125.18619-2-jasowang@redhat.com>
 <20200924071609.GA170403@mtl-vdi-166.wap.labs.mlnx>
From:   Jason Wang <jasowang@redhat.com>
Message-ID: <042dc3f9-40f0-f740-7ffc-611d315bc150@redhat.com>
Date:   Thu, 24 Sep 2020 15:26:08 +0800
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On 2020/9/24 下午3:16, Eli Cohen wrote:
> On Thu, Sep 24, 2020 at 11:21:02AM +0800, Jason Wang wrote:
>> Commit 653055b9acd4 ("vhost-vdpa: support get/set backend features")
>> introduces two malfunction backend features ioctls:
>>
>> 1) the ioctls was blindly added to vring ioctl instead of vdpa device
>>     ioctl
>> 2) vhost_set_backend_features() was called when dev mutex has already
>>     been held which will lead a deadlock
>>
> I assume this patch requires some patch in qemu as well. Do you have
> such patch?
>

It's this series: [PATCH 0/3] Vhost-vDPA: batch IOTLB updating.

You were copied.

Thanks