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Subject: Re: [PATCH RFC v2 00/18] Add VFIO mediated device support and DEV-MSI
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To:     Jason Gunthorpe <jgg@nvidia.com>,
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From:   Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <0711a4ce-1e64-a0cb-3e6d-f6653284e2e3@redhat.com>
Date:   Tue, 18 Aug 2020 18:27:21 +0200
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On 18/08/20 13:50, Jason Gunthorpe wrote:
> For instance, what about suspend/resume of containers using idxd?
> Wouldn't you want to have the same basic approach of controlling the
> wq from userspace that virtualization uses?

The difference is that VFIO more or less standardizes the approach you
use for live migration.  With another interface you'd have to come up
with something for every driver, and add support in CRIU for every
driver as well.

Paolo