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Re: [PATCH v7 00/12] PCI devices passthrough on Arm, part 3


  • To: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>
  • From: Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
  • Date: Thu, 15 Jun 2023 09:39:02 +0000
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  • Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Paul Durrant <paul@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>
  • Delivery-date: Thu, 15 Jun 2023 09:39:26 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
  • Thread-index: AQHZneJYJeyWMREaaUSf/027X0QuCq+LHuyAgAB+64A=
  • Thread-topic: [PATCH v7 00/12] PCI devices passthrough on Arm, part 3

Hi Stewart,

Stewart Hildebrand <stewart.hildebrand@xxxxxxx> writes:

> On 6/13/23 06:32, Volodymyr Babchuk wrote:
>> Hello,
>> 
>> This is another another version of vPCI rework (previous one can be
>> found at [1]). The biggest change is how vPCI locking is done. This
>> series uses per-domain vPCI rwlock.
>> 
>> Note that this series does not include my work on reference counting
>> for PCI devices because this counting does not resolve isses we are
>> having for vPCI. While it is (maybe) nice to have PCI refcounting, it
>> does not moves us towards PCI on ARM.
>> 
>> 
>> [1]
>> https://urldefense.com/v3/__https://lore.kernel.org/all/20220204063459.680961-1-andr2000@xxxxxxxxx/__;!!GF_29dbcQIUBPA!0BUqPos1zFKUoPwbKLLwKItNgBVPaBgxmH1Y6zXpms2bngrlWrzB-qMNvIaiAy2WSWMa93UrlvRi0ijYP8X4Ymx07GXYPO1W$
>> [lore[.]kernel[.]org]
>
> Thanks for sending this!
>
> Should this be v8? I see v7 at [2].

Oops, my bad. 

> I had to rewind my xen.git back to 67c28bfc5245 for this series to apply 
> cleanly (just before ee045f3a4a6d "vpci/header: cope with devices not having 
> vpci allocated").

I rebased this series onto staging about two weeks ago. Looks like
there was new changes into the PCI code after that.

Should I send a new, real v8 which is rebased onto current staging, or
we'll wait for review for the current set of patches?


-- 
WBR, Volodymyr


 


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