Messages in this thread | | | Date | Wed, 18 Oct 2023 16:05:54 -0700 | From | Jerry Snitselaar <> | Subject | Re: [PATCH v5 2/7] iommu: Decouple iommu_present() from bus ops |
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On Wed, Oct 11, 2023 at 07:14:49PM +0100, Robin Murphy wrote: > Much as I'd like to remove iommu_present(), the final remaining users > are proving stubbornly difficult to clean up, so kick that can down the > road and just rework it to preserve the current behaviour without > depending on bus ops. Since commit 57365a04c921 ("iommu: Move bus setup > to IOMMU device registration"), any registered IOMMU instance is already > considered "present" for every entry in iommu_buses, so it's simply a > case of validating the bus and checking we have at least once IOMMU. > > Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> > Signed-off-by: Robin Murphy <robin.murphy@arm.com> > > --- > > v3: Tweak to use the ops-based check rather than group-based, to > properly match the existing behaviour > v4: Just look for IOMMU instances instead of managed devices > ---
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
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