Re: [PATCH RFC 10/17] acpi: Do not use dev->iommu within acpi_iommu_configure()

On Fri, Nov 3, 2023 at 5:45 PM 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->iommu,

Re: [PATCH RFC 04/17] acpi: Do not return struct iommu_ops from acpi_iommu_configure_id()

On Fri, Nov 3, 2023 at 5:45 PM Jason Gunthorpe wrote: > > Nothing needs this pointer. Return a normal error code with the usual > IOMMU semantic that ENODEV means 'there is no IOMMU driver'. > > Signed-off-by: Jason Gunthorpe Acked-by: Rafael J. Wysocki > --- > drivers/acpi/scan.c | 24