Re: [PATCH v4 00/16] iommu: Permit modular builds of ARM SMMU[v3] drivers

From: Will Deacon
Date: Mon Jan 06 2020 - 05:49:19 EST


On Fri, Dec 20, 2019 at 05:13:13PM +0100, Joerg Roedel wrote:
> On Thu, Dec 19, 2019 at 12:03:36PM +0000, Will Deacon wrote:
> > Ard Biesheuvel (1):
> > iommu/arm-smmu: Support SMMU module probing from the IORT
> >
> > Greg Kroah-Hartman (1):
> > PCI/ATS: Restore EXPORT_SYMBOL_GPL() for pci_{enable,disable}_ats()
> >
> > Will Deacon (14):
> > drivers/iommu: Export core IOMMU API symbols to permit modular drivers
> > iommu/of: Request ACS from the PCI core when configuring IOMMU linkage
> > PCI: Export pci_ats_disabled() as a GPL symbol to modules
> > drivers/iommu: Take a ref to the IOMMU driver prior to ->add_device()
> > iommu/of: Take a ref to the IOMMU driver during ->of_xlate()
> > drivers/iommu: Allow IOMMU bus ops to be unregistered
> > Revert "iommu/arm-smmu: Make arm-smmu-v3 explicitly non-modular"
> > Revert "iommu/arm-smmu: Make arm-smmu explicitly non-modular"
> > iommu/arm-smmu: Prevent forced unbinding of Arm SMMU drivers
> > iommu/arm-smmu-v3: Unregister IOMMU and bus ops on device removal
> > iommu/arm-smmu-v3: Allow building as a module
> > iommu/arm-smmu: Unregister IOMMU and bus ops on device removal
> > iommu/arm-smmu: Allow building as a module
> > iommu/arm-smmu: Update my email address in MODULE_AUTHOR()
> >
> > drivers/acpi/arm64/iort.c | 4 +-
> > drivers/iommu/Kconfig | 16 ++++-
> > drivers/iommu/Makefile | 3 +-
> > drivers/iommu/arm-smmu-v3.c | 94 +++++++++++++++++---------
> > drivers/iommu/arm-smmu.c | 128 +++++++++++++++++++++++++-----------
> > drivers/iommu/iommu-sysfs.c | 5 ++
> > drivers/iommu/iommu.c | 32 ++++++++-
> > drivers/iommu/of_iommu.c | 19 ++++--
> > drivers/pci/ats.c | 2 +
> > drivers/pci/pci.c | 1 +
> > include/linux/iommu.h | 4 +-
> > 11 files changed, 223 insertions(+), 85 deletions(-)
>
> Applied, thanks.

Thanks, Joerg! I'll look into the suggestion from Greg regarding 'automatic'
setting of the module 'owner' field and send a follow-up patch if I come up
with something.

Will