Messages in this thread | | | Date | Mon, 2 May 2022 10:04:59 -0300 | From | Jason Gunthorpe <> | Subject | Re: [PATCH 1/5] iommu/vt-d: Block force-snoop domain attaching if no SC support |
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On Sun, May 01, 2022 at 07:24:30PM +0800, Lu Baolu wrote: > In the attach_dev callback of the default domain ops, if the domain has > been set force_snooping, but the iommu hardware of the device does not > support SC(Snoop Control) capability, the callback should block it and > return a corresponding error code. > > Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> > --- > drivers/iommu/intel/iommu.c | 3 +++ > 1 file changed, 3 insertions(+)
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Jason
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