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From: Jason Wang <jasowang@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: lulu@redhat.com, kvm@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	rob.miller@broadcom.com, lingshan.zhu@intel.com,
	eperezma@redhat.com, hanand@xilinx.com, mhabets@solarflare.com,
	eli@mellanox.com, amorenoz@redhat.com,
	maxime.coquelin@redhat.com, stefanha@redhat.com,
	sgarzare@redhat.com, Eli Cohen <elic@nvidia.com>
Subject: Re: [RFC PATCH 01/24] vhost-vdpa: fix backend feature ioctls
Date: Thu, 24 Sep 2020 16:28:17 +0800	[thread overview]
Message-ID: <bebb65cd-732f-58b5-56f0-55ce61cde61f@redhat.com> (raw)
In-Reply-To: <20200924034940-mutt-send-email-mst@kernel.org>


On 2020/9/24 下午3:50, Michael S. Tsirkin 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
>>
>> This patch fixes the above issues.
>>
>> Cc: Eli Cohen<elic@nvidia.com>
>> Reported-by: Zhu Lingshan<lingshan.zhu@intel.com>
>> Fixes: 653055b9acd4 ("vhost-vdpa: support get/set backend features")
>> Signed-off-by: Jason Wang<jasowang@redhat.com>
> Don't we want the fixes queued right now, as opposed to the rest of the
> RFC?


Yes, actually I've posted in before[1].

Adding the patch here is to simplify the work for the guys that want to 
do the work on top. E.g for Cindy to start the Qemu prototype.

Thanks

[1] https://www.spinics.net/lists/netdev/msg681247.html



  reply	other threads:[~2020-09-24  8:28 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-24  3:21 [RFC PATCH 00/24] Control VQ support in vDPA Jason Wang
2020-09-24  3:21 ` [RFC PATCH 01/24] vhost-vdpa: fix backend feature ioctls Jason Wang
2020-09-24  7:16   ` Eli Cohen
2020-09-24  7:26     ` Jason Wang
2020-09-24  7:38       ` Eli Cohen
2020-09-24  7:50   ` Michael S. Tsirkin
2020-09-24  8:28     ` Jason Wang [this message]
2020-09-24  3:21 ` [RFC PATCH 02/24] vhost-vdpa: fix vqs leak in vhost_vdpa_open() Jason Wang
2020-09-24  7:48   ` Eli Cohen
2020-09-25 11:41     ` Jason Wang
2020-09-24  9:31   ` Michael S. Tsirkin
2020-09-25 11:27     ` Jason Wang
2020-09-24  3:21 ` [RFC PATCH 03/24] vhost: move the backend feature bits to vhost_types.h Jason Wang
2020-09-24  3:21 ` [RFC PATCH 04/24] virtio-vdpa: don't set callback if virtio doesn't need it Jason Wang
2020-09-24  3:21 ` [RFC PATCH 05/24] vhost-vdpa: passing iotlb to IOMMU mapping helpers Jason Wang
2020-09-30 11:26   ` Eli Cohen
2020-10-09  2:01     ` Jason Wang
2020-09-24  3:21 ` [RFC PATCH 06/24] vhost-vdpa: switch to use vhost-vdpa specific IOTLB Jason Wang
2020-09-30 12:02   ` Eli Cohen
2020-10-09  3:46     ` Jason Wang
2020-09-24  3:21 ` [RFC PATCH 07/24] vdpa: add the missing comment for nvqs in struct vdpa_device Jason Wang
2020-09-24  3:21 ` [RFC PATCH 08/24] vdpa: introduce virtqueue groups Jason Wang
2020-09-28 15:44   ` Eugenio Perez Martin
2020-10-09  3:49     ` Jason Wang
2020-09-24  3:21 ` [RFC PATCH 09/24] vdpa: multiple address spaces support Jason Wang
2020-10-01 13:21   ` Eli Cohen
2020-10-09  3:51     ` Jason Wang
2020-10-01 13:23   ` Eli Cohen
2020-10-09  3:52     ` Jason Wang
2020-09-24  3:21 ` [RFC PATCH 10/24] vdpa: introduce config operations for associating ASID to a virtqueue group Jason Wang
2020-10-01 13:29   ` Eli Cohen
2020-10-09  3:56     ` Jason Wang
2020-10-12  6:59       ` Eli Cohen
2020-10-12  7:45         ` Jason Wang
2020-10-12  8:17           ` Eli Cohen
2020-10-13  5:40             ` Jason Wang
2020-09-24  3:21 ` [RFC PATCH 11/24] vhost_iotlb: split out IOTLB initialization Jason Wang
2020-09-24  3:21 ` [RFC PATCH 12/24] vhost: support ASID in IOTLB API Jason Wang
2020-09-24  3:21 ` [RFC PATCH 13/24] vhost-vdpa: introduce ASID based IOTLB Jason Wang
2020-09-29 14:40   ` Eugenio Perez Martin
2020-09-24  3:21 ` [RFC PATCH 14/24] vhost-vdpa: introduce uAPI to get the number of virtqueue groups Jason Wang
2020-09-24  3:21 ` [RFC PATCH 15/24] vhost-vdpa: introduce uAPI to get the number of address spaces Jason Wang
2020-09-24  3:21 ` [RFC PATCH 16/24] vhost-vdpa: uAPI to get virtqueue group id Jason Wang
2020-09-24  3:21 ` [RFC PATCH 17/24] vhost-vdpa: introduce uAPI to set group ASID Jason Wang
2020-09-24  3:21 ` [RFC PATCH 18/24] vhost-vdpa: support ASID based IOTLB API Jason Wang
2020-09-28 15:44   ` Eugenio Perez Martin
2020-10-09  3:59     ` Jason Wang
2020-09-24  3:21 ` [RFC PATCH 19/24] vdpa_sim: use separated iov for reading and writing Jason Wang
2020-09-24  3:21 ` [RFC PATCH 20/24] vdpa_sim: advertise VIRTIO_NET_F_MTU Jason Wang
2020-09-24  3:21 ` [RFC PATCH 21/24] vdpa_sim: advertise VIRTIO_NET_F_MAC Jason Wang
2020-09-24  3:21 ` [RFC PATCH 22/24] vdpa_sim: factor out buffer completion logic Jason Wang
2020-09-24  3:21 ` [RFC PATCH 23/24] vdpa_sim: filter destination mac address Jason Wang
2020-09-24  3:21 ` [RFC PATCH 24/24] vdpasim: control virtqueue support Jason Wang
2020-09-24 10:17 ` [RFC PATCH 00/24] Control VQ support in vDPA Stefan Hajnoczi
2020-09-25 11:36   ` Jason Wang

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