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273f034065
When callbacks are in full flow, the common case is waiting for a grace period, and this grace period will normally take a few jiffies to complete. It therefore isn't all that helpful for __call_rcu_nocb_wake() to do a synchronous wakeup in this case. This commit therefore turns this into a timer-based deferred wakeup of the no-CBs grace-period kthread. Signed-off-by: Paul E. McKenney <paulmck@linux.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.
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.