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Re: [DRAFT RFC] ioeventfd/ioregionfd support in vfio-user

From: John Levon
Subject: Re: [DRAFT RFC] ioeventfd/ioregionfd support in vfio-user
Date: Thu, 28 Jan 2021 14:38:08 +0000

On Tue, Jan 26, 2021 at 11:01:04AM +0000, Stefan Hajnoczi wrote:

> > 4) (ioregionfd issue) region_id is 4 bytes, which seems a little awkward 
> > from
> > the server side: this has to encode both the region ID as well as the 
> > offset of
> > the sub-region within that region. Can this be 64 bits wide?
> The user_data field in Elena's ioregionfd patches is 64 bits. Does this
> solve the problem?

I had missed this had been changed from the proposal at 

Thanks for pointing this out.


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