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10462d6f58
The RCU CPU stall-warning code for normal grace periods is currently scattered across three files, due to earlier Tiny RCU support for RCU CPU stall warnings and for old Kconfig options that have long since been retired. Given that it is hard for the lead RCU maintainer to find relevant stall-warning code, it would be good to consolidate it. This commit starts this process by moving stall-warning code from kernel/rcu/update.c to a new kernel/rcu/tree_stall.h file. Note that the definitions of rcu_cpu_stall_suppress and rcu_cpu_stall_timeout must remain in kernel/rcu/update.h to provide compatibility for kernel boot parameter lists. 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.