The region provisioning flow will roughly follow a sequence of: 1/ Allocate DPA to a set of decoders 2/ Allocate HPA to a region 3/ Associate decoders with a region and validate that the DPA allocations and topologies match the parameters of the region. For now, this change (step 1) arranges for DPA capacity to be allocated and deleted from non-committed decoders based on the decoder's mode / partition selection. Capacity is allocated from the lowest DPA in the partition and any 'pmem' allocation blocks out all remaining ram capacity in its 'skip' setting. DPA allocations are enforced in decoder instance order. I.e. decoder N + 1 always starts at a higher DPA than instance N, and deleting allocations must proceed from the highest-instance allocated decoder to the lowest. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/165784329399.1758207.16732038126938632700.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. 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.
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