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Re: [PATCH v1 1/3] arm/pci: Add pci-scan boot argument


  • To: Jan Beulich <jbeulich@xxxxxxxx>
  • From: Luca Fancellu <Luca.Fancellu@xxxxxxx>
  • Date: Tue, 5 Aug 2025 20:23:59 +0000
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  • Cc: Mykyta Poturai <Mykyta_Poturai@xxxxxxxx>, Edward Pickup <Edward.Pickup@xxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Stewart Hildebrand <stewart.hildebrand@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Tue, 05 Aug 2025 20:24:58 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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  • Thread-topic: [PATCH v1 1/3] arm/pci: Add pci-scan boot argument

Hi Jan,

> On 4 Aug 2025, at 09:10, Jan Beulich <jbeulich@xxxxxxxx> wrote:
> 
> On 01.08.2025 11:22, Mykyta Poturai wrote:
>> From: Edward Pickup <Edward.Pickup@xxxxxxx>
>> 
>> This patch adds a Xen boot arguments that, if enabled, causes a call to
>> existing code to scan pci devices enumerated by the firmware.
>> 
>> This patch also makes an existing debug function viewable outside its
>> translation unit, and uses this to dump the PCI devices found.
>> The debug message is controlled by config DEBUG.
>> 
>> Additionally, this patch modifies segment loading to ensure that PCI
>> devices on other segments are properly found.
>> 
>> This will be needed ahead of dom0less support for pci passthrough on
>> arm.
>> 
>> Signed-off-by: Luca Fancellu <luca.fancellu@xxxxxxx>
>> Signed-off-by: Edward Pickup <Edward.Pickup@xxxxxxx>
> 
> Considering the From: above and this order of S-o-b: Who is it really that
> was the original author here?

I think this patch was mine, probably some issues from Edward, anyway he 
doesn’t work at arm anymore.

Cheers,
Luca

 


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