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903ee83d91
The RCU CPU stall warnings print an estimate of the total number of RCU callbacks queued in the system, but this estimate leaves out the callbacks queued for nocbs CPUs. This commit therefore introduces rcu_get_n_cbs_cpu(), which gives an accurate callback estimate for both nocbs and normal CPUs, and uses this new function as needed. This commit also introduces a rcu_get_n_cbs_nocb_cpu() helper function that returns the number of callbacks for nocbs CPUs or zero otherwise, and also uses this function in place of direct access to ->nocb_q_count while in the area (fewer characters, you see). Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.