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Re: [PATCH 0/5] xen/vpci: miscellaneous fixes
- To: Roger Pau Monne <roger.pau@xxxxxxxxxx>
- From: "Chen, Jiqian" <Jiqian.Chen@xxxxxxx>
- Date: Wed, 10 Sep 2025 09:25:19 +0000
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "Hildebrand, Stewart" <Stewart.Hildebrand@xxxxxxx>, "jbeulich@xxxxxxxx" <jbeulich@xxxxxxxx>, "Chen, Jiqian" <Jiqian.Chen@xxxxxxx>
- Delivery-date: Wed, 10 Sep 2025 09:25:37 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHcDTURKj5JMcHd/UWxKXg/kyCmwrSM00uA
- Thread-topic: [PATCH 0/5] xen/vpci: miscellaneous fixes
On 2025/8/15 00:03, Roger Pau Monne wrote:
> Hello,
>
> The following series started with the report in:
>
> https://lore.kernel.org/xen-devel/dbc003a2-9202-46ec-bf87-2829d8a63d53@xxxxxxxxxx/
>
> And ended up doing a bit of cleanup on the way. I think the overall
> result is nicer, I never really liked the deferral of the setting of the
> command and ROM BAR registers, as it makes the logic much harder to
> follow. I've done some testing, but I will probably do some
> specific testing to ensure the error paths work as expected - as I don't
> have a system that trigger those.
I have applied this series to my local environment and run some normal graphics
apps without finding errors currently.
If you need to do some specific tests, I am happy to help testing.
> Posting it ahead because some patches are fairly trivial, and to get feedback
> on the approach.
>
> Thanks, Roger.
>
> Roger Pau Monne (5):
> xen/vpci: purge BAR rangeset contents before use
> xen/vpci: make BAR mapping more resilient for the hardware domain
> xen/vpci: simplify handling of memory decoding and ROM enable writes
> vpci/msix: move MSI-X hole punching as a result of memory decoding
> enable
> xen/vpci: only check BAR validity once
>
> xen/drivers/vpci/header.c | 186 ++++++++++++++++----------------------
> xen/include/xen/vpci.h | 5 +
> 2 files changed, 82 insertions(+), 109 deletions(-)
>
--
Best regards,
Jiqian Chen.
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