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2c3dfba4cf
If userspace quickly opens /dev/rfkill after a new instance was created, it might see the old state of the instance from before the sync work runs and may even _change_ the state, only to have the sync work change it again. Fix this by doing the sync inline where needed, not just for /dev/rfkill but also for sysfs. Signed-off-by: Johannes Berg <johannes.berg@intel.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.