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The uncore subsystem on Snow Ridge is similar as previous SKX server. The uncore units on Snow Ridge include Ubox, Chabox, IIO, IRP, M2PCIE, PCU, M2M, PCIE3 and IMC. - The config register encoding and pci device IDs are changed. - For CHA, the umask_ext and filter_tid fields are changed. - For IIO, the ch_mask and fc_mask fields are changed. - For M2M, the mask_ext field is changed. - Add new PCIe3 unit for PCIe3 root port which provides the interface between PCIe devices, plugged into the PCIe port, and the components (in M2IOSF). - IMC can only be accessed via MMIO on Snow Ridge now. Current common code doesn't support it yet. IMC will be supported in following patches. - There are 9 free running counters for IIO CLOCKS and bandwidth In. - Full uncore event list is not published yet. Event constrain is not included in this patch. It will be added later separately. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: acme@kernel.org Cc: eranian@google.com Link: https://lkml.kernel.org/r/1556672028-119221-3-git-send-email-kan.liang@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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.