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[ Upstream commit bfc6819e4bf56a55df6178f93241b5845ad672eb ] CPU0/package0 is always online and the MMIO RAPL driver runs on single package systems only, so there is no need to handle CPU hotplug in it. Always register a RAPL package device for package 0 and remove the unnecessary CPU hotplug support. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Link: https://patch.msgid.link/20240930081801.28502-6-rui.zhang@intel.com [ rjw: Subject edits ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Sasha Levin <sashal@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.