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Re: [Qemu-devel] [PATCH v3 08/12] hw/pci: introduce pci_device_notify_io


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH v3 08/12] hw/pci: introduce pci_device_notify_iommu()
Date: Tue, 6 Mar 2018 11:18:43 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0

On 05/03/2018 09:42, Liu, Yi L wrote:
>> In general I think it's better to change your names from "assigned_dev"
>> to "sva_dev", because the point of the list is to only iterate over
>> devices that might be interested in using SVA.
>
> For "assigned_dev", my purpose is to distinguish "assigned devices" from
> emulated devices. Only the SVA usage on "assigned devices" is cared here.
> But it is true only SVA capable device is interested. So I may need to
> rename it as "assigned_sva_dev". How about your opinion?

What you care about is not whether the device assigned, but rather
whether it called or not pci_setup_sva_ops.  Currently only VFIO does
this, but that's not a requirement.  Hence my suggestion of calling it
sva_dev.

Paolo



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