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Re: [Qemu-devel] [PATCH v3 4/4] kvm: i386: Add classic PCI device assign


From: Jan Kiszka
Subject: Re: [Qemu-devel] [PATCH v3 4/4] kvm: i386: Add classic PCI device assignment
Date: Mon, 10 Sep 2012 11:26:08 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666

On 2012-09-09 16:13, Avi Kivity wrote:
> On 09/06/2012 11:44 AM, Jan Kiszka wrote:
>> On 2012-08-30 20:30, Jan Kiszka wrote:
>>> This adds PCI device assignment for i386 targets using the classic KVM
>>> interfaces. This version is 100% identical to what is being maintained
>>> in qemu-kvm for several years and is supported by libvirt as well. It is
>>> expected to remain relevant for another couple of years until kernels
>>> without full-features and performance-wise equivalent VFIO support are
>>> obsolete.
>>>
>>> A refactoring to-do that should be done in-tree is to model MSI and
>>> MSI-X support via the generic PCI layer, similar to what VFIO is already
>>> doing for MSI-X. This should improve the correctness and clean up the
>>> code from duplicate logic.
>>>
>>> Signed-off-by: Jan Kiszka <address@hidden>
>>> ---
>>>
>>> Changes in v3:
>>>  - addressed comment by Peter (changed device name to kvm-pci-assign +
>>>    alias)
>>>  - addressed (most) comments by Michael
>>>  - fixed INT pin regression
>>
>> Does someone _disagree_ that there are no open (and reasonably solvable)
>> issues and that this can now be merged through uq/master?
> 
> Is patch 4 the only one that is at v3, and the rest are to be taken from
> the original posting?

That is correct.

Jan

-- 
Siemens AG, Corporate Technology, CT RTC ITP SDP-DE
Corporate Competence Center Embedded Linux



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