Re: [PATCH iommufd v3 2/9] iommu: Add iommu_group_has_isolated_msi()

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On Fri, Jan 06, 2023 at 07:28:46PM +0800, Baolu Lu wrote:

> > diff --git a/include/linux/iommu.h b/include/linux/iommu.h
> > index 46e1347bfa2286..9b7a9fa5ad28d3 100644
> > --- a/include/linux/iommu.h
> > +++ b/include/linux/iommu.h
> > @@ -455,6 +455,7 @@ static inline const struct iommu_ops *dev_iommu_ops(struct device *dev)
> >   extern int bus_iommu_probe(struct bus_type *bus);
> >   extern bool iommu_present(struct bus_type *bus);
> >   extern bool device_iommu_capable(struct device *dev, enum iommu_cap cap);
> > +extern bool iommu_group_has_isolated_msi(struct iommu_group *group);
> 
> This lacks a static inline definition when CONFIG_IOMMU_API is false?

It is not needed, the call sites are all compilation protected by
CONFIG_IOMMU_API already.

Thanks,
Jason



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