Messages in this thread | | | Date | Tue, 16 Jun 2020 10:28:19 +0200 | From | Jean-Philippe Brucker <> | Subject | Re: [PATCH v2 08/12] mm: Define pasid in mm |
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On Fri, Jun 12, 2020 at 05:41:29PM -0700, Fenghua Yu wrote: > diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h > index 64ede5f150dc..5778db3aa42d 100644 > --- a/include/linux/mm_types.h > +++ b/include/linux/mm_types.h > @@ -538,6 +538,10 @@ struct mm_struct { > atomic_long_t hugetlb_usage; > #endif > struct work_struct async_put_work; > + > +#ifdef CONFIG_PCI_PASID
Non-PCI devices can also use a PASID (e.g. Arm's SubstreamID). How about CONFIG_IOMMU_SUPPORT?
Thanks, Jean
> + unsigned int pasid; > +#endif
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