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A new resource group is intended to be created with sane defaults. For a cache resource this means all cache portions the new group could possibly allocate into. This includes unused cache portions and shareable cache portions used by other groups and hardware. New resource group creation does not take sparse masks into account. After determining the bitmask reflecting the new group's possible allocations the bitmask is forced to be contiguous even if the system supports sparse masks. For example, a new group could by default allocate into a large portion of cache represented by 0xff0f, but it is instead created with a mask of 0xf. Do not force a contiguous allocation range if the system supports sparse masks. Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://patch.msgid.link/abbbb008bc09d982d715e79d3b885c10f92c64e0.1763426240.git.reinette.chatre@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 reStructuredText 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.