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Date:   Tue, 9 Aug 2022 19:28:44 +0000
From:   Parav Pandit <parav@...dia.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>,
        Zhu Lingshan <lingshan.zhu@...el.com>
CC:     "jasowang@...hat.com" <jasowang@...hat.com>,
        "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "xieyongji@...edance.com" <xieyongji@...edance.com>,
        "gautam.dawar@....com" <gautam.dawar@....com>
Subject: RE: [PATCH V4 3/6] vDPA: allow userspace to query features of a vDPA
 device

> From: Michael S. Tsirkin <mst@...hat.com>
> Sent: Tuesday, August 9, 2022 3:24 PM
> 
> On Fri, Jul 22, 2022 at 07:53:06PM +0800, Zhu Lingshan wrote:
> > This commit adds a new vDPA netlink attribution
> > VDPA_ATTR_VDPA_DEV_SUPPORTED_FEATURES. Userspace can query
> features of
> > vDPA devices through this new attr.
> >
> > Signed-off-by: Zhu Lingshan <lingshan.zhu@...el.com>
> 
> 
> I think at least some discussion and documentation of this attribute versus
> VDPA_ATTR_DEV_SUPPORTED_FEATURES is called for.
> 
> Otherwise how do people know which one to use?
> 
> We can't send everyone to go read the lkml thread.

There is no race here. Commit log is missing example anyway.
I explained multiple times that this patch and/or its previous version cannot proceed in same state.

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