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...static int __iommu_probe_device(struct device *dev, struct list_head *group_list return ret; } -static int __iommu_probe_device_helper(struct device *dev) +int iommu_probe_device(struct device *dev) { const struct iommu_ops *ops = dev->bus->iommu_ops; struct iommu_group *group; @@ -264,70 +264,17 @@ static int __iommu_probe_device_helper(struct device *dev) } -int iommu_probe_device(struct device *dev) +void iommu_release_device(struct device *dev) { const struct iommu_ops *ops = dev->bus->iommu_ops; - struct iommu_group *group; - int ret; - - WARN_ON(dev->iommu_...

The netfilter code had very good documentation: the Netfilter Hacking HOWTO. Noone ever read it. So this time I'm trying something different, using a bit of Knuthiness. Start with drivers/lguest/README. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> --- Documentation/lguest/extract | 58 +++++++++++++++++++++++++++++++++ Documentation/lguest/lguest.c | 9

The netfilter code had very good documentation: the Netfilter Hacking HOWTO. Noone ever read it. So this time I'm trying something different, using a bit of Knuthiness. Start with drivers/lguest/README. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> --- Documentation/lguest/extract | 58 +++++++++++++++++++++++++++++++++ Documentation/lguest/lguest.c | 9

Hi, here is the second version of this patch-set. The first version with some more introductory text can be found here: https://lore.kernel.org/lkml/20200407183742.4344-1-joro at 8bytes.org/ Changes v1->v2: * Rebased to v5.7-rc1 * Re-wrote the arm-smmu changes as suggested by Robin Murphy * Re-worked the Exynos patches to hopefully not break the driver anymore * Fixed a missing

Hi, here is the second version of this patch-set. The first version with some more introductory text can be found here: https://lore.kernel.org/lkml/20200407183742.4344-1-joro at 8bytes.org/ Changes v1->v2: * Rebased to v5.7-rc1 * Re-wrote the arm-smmu changes as suggested by Robin Murphy * Re-worked the Exynos patches to hopefully not break the driver anymore * Fixed a missing

Hi, here is a patch-set to remove all calls of iommu_group_get_for_dev() from the IOMMU drivers and move the per-device group setup and default domain allocation into the IOMMU core code. This eliminates some ugly back and forth between IOMMU core code and the IOMMU drivers, where the driver called iommu_group_get_for_dev() which itself called back into the driver. The patch-set started as a

Hi, here is a patch-set to remove all calls of iommu_group_get_for_dev() from the IOMMU drivers and move the per-device group setup and default domain allocation into the IOMMU core code. This eliminates some ugly back and forth between IOMMU core code and the IOMMU drivers, where the driver called iommu_group_get_for_dev() which itself called back into the driver. The patch-set started as a