Message ID | cover.1694693889.git.robin.murphy@arm.com |
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Iommu: Retire bus ops
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Message
Robin Murphy
Sept. 15, 2023, 4:58 p.m. UTC
v2: https://lore.kernel.org/linux-iommu/cover.1674753627.git.robin.murphy@arm.com/ Hi all, I've finally been able to get back to this again, and I think it is now hopefully ready to go. Changes from v3 are quite minor - basically a few cosmetics and small tweaks (where I've taken the liberty of keeping Baolu and Jason's review tags; hope that's OK!), the one functional thing around blocking domains fixed, and plenty of reshuffling from rebases. I'm happy to see that the IOMMUFD selftest problem has resolved itself in the meantime, and it might even be able to use the standard registration flow after this, however I'll leave that for someone else more motivated, since my follow-up priority will be moving the of_xlate business around at the bus level to sort out the probe_device ordering mess once and for all. Thanks, Robin. Robin Murphy (7): iommu: Factor out some helpers iommu: Decouple iommu_present() from bus ops iommu: Validate that devices match domains iommu: Switch __iommu_domain_alloc() to device ops iommu/arm-smmu: Don't register fwnode for legacy binding iommu: Retire bus ops iommu: Clean up open-coded ownership checks drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 3 - drivers/iommu/arm/arm-smmu/arm-smmu.c | 12 +- drivers/iommu/arm/arm-smmu/qcom_iommu.c | 14 +- drivers/iommu/iommu.c | 140 ++++++++++++++------ drivers/iommu/mtk_iommu.c | 7 +- drivers/iommu/mtk_iommu_v1.c | 3 - drivers/iommu/sprd-iommu.c | 8 +- drivers/iommu/virtio-iommu.c | 3 - include/acpi/acpi_bus.h | 2 + include/linux/device.h | 1 - include/linux/device/bus.h | 5 - include/linux/dma-map-ops.h | 1 + include/linux/iommu.h | 1 + 13 files changed, 108 insertions(+), 92 deletions(-)
Comments
On Fri, Sep 15, 2023 at 05:58:04PM +0100, Robin Murphy wrote: > v2: https://lore.kernel.org/linux-iommu/cover.1674753627.git.robin.murphy@arm.com/ > > Hi all, > > I've finally been able to get back to this again, and I think it is now > hopefully ready to go. Changes from v3 are quite minor - basically a few > cosmetics and small tweaks (where I've taken the liberty of keeping > Baolu and Jason's review tags; hope that's OK!), the one functional Looks OK > thing around blocking domains fixed, and plenty of reshuffling from > rebases. I'm happy to see that the IOMMUFD selftest problem has resolved > itself in the meantime, and it might even be able to use the standard > registration flow after this, however I'll leave that for someone else > more motivated, The main issue is the dedicated bus the test needs. We can change the two wonky interfaces to two new APIs to add/remove a new bus from iommu monitoring. Then the normal register APIs are probably OK after this series. Jason