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The normal timer mechanism assume that timeout further in the future need a lower accuracy. As an example, the granularity for a timer scheduled 4096 ms in the future on a 1000 Hz system is already 512 ms. This granularity is perfectly sufficient for e.g. timeouts, but there are other types of events that will happen at a future point in time and require a higher accuracy. Add a new wiphy_hrtimer_work type that uses an hrtimer internally. The API is almost identical to the existing wiphy_delayed_work and it can be used as a drop-in replacement after minor adjustments. The work will be scheduled relative to the current time with a slack of 1 millisecond. CC: stable@vger.kernel.org # 6.4+ Signed-off-by: Benjamin Berg <benjamin.berg@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://patch.msgid.link/20251028125710.7f13a2adc5eb.I01b5af0363869864b0580d9c2a1770bafab69566@changeid 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 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.