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Rik van Riel
9fbaa44114
About 40% of all csd_lock warnings observed in our fleet appear to be due to sched_clock() going backward in time (usually only a little bit), resulting in ts0 being larger than ts2. When the local CPU is at fault, we should print out a message reflecting that, rather than trying to get the remote CPU's stack trace. Signed-off-by: Rik van Riel <riel@surriel.com> Tested-by: "Paul E. McKenney" <paulmck@kernel.org> Signed-off-by: Neeraj Upadhyay <neeraj.upadhyay@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 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.