linux-kernel - Re: [RFC PATCH 1/9] vfio/pci: introduce mediate ops to intercept vfio-pci ops

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Message-ID: <9461f821-73fd-a66f-e142-c1a55e38e7a0@redhat.com>
Date:   Fri, 6 Dec 2019 17:13:30 -0600
From:   Eric Blake <eblake@...hat.com>
To:     Yan Zhao <yan.y.zhao@...el.com>, alex.williamson@...hat.com
Cc:     kevin.tian@...el.com, kvm@...r.kernel.org, libvir-list@...hat.com,
        cohuck@...hat.com, linux-kernel@...r.kernel.org,
        zhenyuw@...ux.intel.com, qemu-devel@...gnu.org,
        shaopeng.he@...el.com, zhi.a.wang@...el.com
Subject: Re: [RFC PATCH 1/9] vfio/pci: introduce mediate ops to intercept
 vfio-pci ops

On 12/4/19 9:25 PM, Yan Zhao wrote:
> when vfio-pci is bound to a physical device, almost all the hardware
> resources are passthroughed.

The intent is obvious, but it sounds awkward to a native speaker.
s/passthroughed/passed through/

> Sometimes, vendor driver of this physcial device may want to mediate some

physical

> hardware resource access for a short period of time, e.g. dirty page
> tracking during live migration.
> 
> Here we introduce mediate ops in vfio-pci for this purpose.
> 
> Vendor driver can register a mediate ops to vfio-pci.
> But rather than directly bind to the passthroughed device, the

passed-through

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org