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018ee567de
In the cpuset_css_online(), clearing the CS_SCHED_LOAD_BALANCE bit of cs->flags is guarded by callback_lock and cpuset_mutex. There is no problem with itself, because it is consistent with the description of there two global lock at the beginning of this file. However, since the operation of checking, setting and clearing the flag bit is atomic, protection of callback_lock is unnecessary here, see CS_SPREAD_*. so to make it more consistent with the other code, move the operation outside the critical section of callback_lock. No functional changes intended. Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> Acked-by: Waiman Long <longman@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org> |
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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 reStructuredText 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.