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Re: [PATCH 0/3] Fixes: PCI devices passthrough on Arm
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Bertrand Marquis <Bertrand.Marquis@xxxxxxx>
- Date: Tue, 19 Oct 2021 11:32:38 +0000
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- Cc: Ian Jackson <iwj@xxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "sstabellini@xxxxxxxxxx" <sstabellini@xxxxxxxxxx>, "Oleksandr_Andrushchenko@xxxxxxxx" <Oleksandr_Andrushchenko@xxxxxxxx>, Paul Durrant <paul@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
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- Thread-topic: [PATCH 0/3] Fixes: PCI devices passthrough on Arm
Hi Jan,
> On 19 Oct 2021, at 12:25, Jan Beulich <jbeulich@xxxxxxxx> wrote:
>
> On 19.10.2021 13:12, Ian Jackson wrote:
>> Bertrand Marquis writes ("[PATCH 0/3] Fixes: PCI devices passthrough on
>> Arm"):
>>> This patch serie is a follow-up after various findings on d59168dc05
>>> ("xen/arm: Enable the existing x86 virtual PCI support for ARM") as of
>>> agreed in [1].
>>>
>>> It does the following:
>>> - enable vpci_add_handlers on x86 and not only on arm
>>> - remove __hwdom_init flag for vpci_add_handlers
>>> - add missing vpci handler cleanup in error path during pci_device_add
>>> and pci_device_remove
>>
>> Thanks. Roger, Jan, what do you think of this ?
>
> I'll get to this, but at the first glance I'd say that the change in
> patch 1 coming before what patch 2 does is already a problem.
Because path 1 is actually introducing a bug solved by patch 2, I should have
thought of that.
I can either invert those 2 (or actually put patch 1 at the end) or merge patch
1 and 2 together.
Bertrand
>
> Jan
>
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