Messages in this thread | | | Date | Mon, 2 May 2022 10:19:59 -0300 | From | Jason Gunthorpe <> | Subject | Re: [PATCH 5/5] iommu/vt-d: Remove hard coding PGSNP bit in PASID entries |
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On Sun, May 01, 2022 at 07:24:34PM +0800, Lu Baolu wrote: > As enforce_cache_coherency has been introduced into the iommu_domain_ops, > the kernel component which owns the iommu domain is able to opt-in its > requirement for force snooping support. The iommu driver has no need to > hard code the page snoop control bit in the PASID table entries anymore. > > Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> > --- > drivers/iommu/intel/pasid.h | 1 - > drivers/iommu/intel/iommu.c | 3 --- > drivers/iommu/intel/pasid.c | 6 ------ > 3 files changed, 10 deletions(-)
It seems fine, but as in the other email where do we do pasid_set_pgsnp() for a new device attach on an already no-snopp domain?
Jason
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