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226ca5e766
There's no need to keep checking the same starting node for whether a grace period is in progress as we advance up the funnel lock loop. Its sufficient if we just checked it in the start, and then subsequently checked the internal nodes as we advanced up the combining tree. This also makes sense because the grace-period updates propogate from the root to the leaf, so there's a chance we may find a grace period has started as we advance up, lets check for the same. Reported-by: Paul McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.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 Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
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.