On Fri, Nov 03, 2023 at 01:44:55PM -0300, Jason Gunthorpe wrote:
> This call chain is using dev->iommu->fwspec to pass around the fwspec
> between the three parts (acpi_iommu_configure(), acpi_iommu_fwspec_init(),
> iommu_probe_device()).
>
> However there is no locking around the accesses to dev-
On Fri, Nov 03, 2023 at 01:44:46PM -0300, Jason Gunthorpe wrote:
> This is not being used to pass ops, it is just a way to tell if an
> iommu driver was probed. These days this can be detected directly via
> device_iommu_mapped(). Call device_iommu_mapped() in the two places that
> need to check it