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Age	Commit message (Collapse)	Author
2019-02-26	iommu: Fix IOMMU debugfs fallout	Geert Uytterhoeven
	A change made in the final version of IOMMU debugfs support replaced the public function iommu_debugfs_new_driver_dir() by the public dentry iommu_debugfs_dir in <linux/iommu.h>, but forgot to update both the implementation in iommu-debugfs.c, and the patch description. Fix this by exporting iommu_debugfs_dir, and removing the reference to and implementation of iommu_debugfs_new_driver_dir(). Fixes: bad614b24293ae46 ("iommu: Enable debugfs exposure of IOMMU driver internals") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Gary R Hook <gary.hook@amd.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2018-07-06	iommu: Enable debugfs exposure of IOMMU driver internals	Gary R Hook
	Provide base enablement for using debugfs to expose internal data of an IOMMU driver. When called, create the /sys/kernel/debug/iommu directory. Emit a strong warning at boot time to indicate that this feature is enabled. This function is called from iommu_init, and creates the initial DebugFS directory. Drivers may then call iommu_debugfs_new_driver_dir() to instantiate a device-specific directory to expose internal data. It will return a pointer to the new dentry structure created in /sys/kernel/debug/iommu, or NULL in the event of a failure. Since the IOMMU driver can not be removed from the running system, there is no need for an "off" function. Signed-off-by: Gary R Hook <gary.hook@amd.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>