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d91cc2f46a
In perf_event.c we use smp_processor_id(), but we haven't included <linux/smp.h> where it is defined, and rely on this being pulled in via a transitive include. Let's make this more robust by including <linux.smp.h> explicitly. Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Raphael Gault <raphael.gault@arm.com> Signed-off-by: Will Deacon <will@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.