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Now that all the drivers properly implementing the IOMMU API support groups (I'm ignoring the etnaviv GPU MMUs which seemingly only do just enough to convince the ARM DMA mapping ops), we can remove the FIXME workarounds from the core code. In the process, it also seems logical to make the .device_group callback non-optional for drivers calling iommu_group_get_for_dev() - the current callers all implement it anyway, and it doesn't make sense for any future callers not to either. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.