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Re: [PATCH v8 02/13] vpci: use per-domain PCI lock to protect vpci structure
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Thu, 27 Jul 2023 16:43:11 +0200
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Oleksandr Andrushchenko <Oleksandr_Andrushchenko@xxxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
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On Thu, Jul 27, 2023 at 02:56:18PM +0200, Jan Beulich wrote:
> On 27.07.2023 14:42, Roger Pau Monné wrote:
> > There are also existing callers of iommu_update_ire_from_msi() that
> > call the functions without the pcidevs locked. See
> > hpet_msi_set_affinity() for example.
>
> Ftaod first and foremost because there's no pdev in that case.
Likewise for (mostly?) the rest of the callers, as callers of the
.set_affinity hw_irq_controller hook don't have a PCI device at
hand.
Thanks, Roger.
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