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The C preprocessor macros SRCU and TINY_RCU should instead be CONFIG_SRCU and CONFIG_TINY_RCU, respectively in the #f in kernel/rcu/rcu.h. But there is no harm when "TINY_RCU" is wrongly used, which are always non-defined, which makes "!defined(TINY_RCU)" always true, which means the code block is always included, and the included code block doesn't cause any compilation error so far in CONFIG_TINY_RCU builds. It is also the reason this change should not be taken in -stable. This commit adds the needed "CONFIG_" prefix to both macros. Not for -stable. Signed-off-by: Lai Jiangshan <jiangshanlai@gmail.com> Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com> Signed-off-by: Paul E. McKenney <paulmck@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.