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5bc34be478
- Move input parameter validation from tg_set_cfs_bandwidth() to the new
outer function tg_set_bandwidth(). The outer function handles parameters
in usecs, validates them and calls tg_set_cfs_bandwidth() which converts
them into nsecs. This matches tg_bandwidth() on the read side.
- max/min_cfs_* consts are now used by tg_set_bandwidth(). Relocate, convert
into usecs and drop "cfs" from the names.
- Reimplement cpu_cfs_{period|quote|burst}_write_*() using tg_bandwidth()
and tg_set_bandwidth() and replace "cfs" in the names with "bw".
- Update cpu_max_write() to use tg_set_bandiwdth(). cpu_period_quota_parse()
is updated to drop nsec conversion accordingly. This aligns the behavior
with cfs_period_quota_print().
- Drop now unused tg_set_cfs_{period|quota|burst}().
- While at it, for consistency, rename default_cfs_period() to
default_bw_period_us() and make it return usecs.
This is to prepare for adding bandwidth control support to sched_ext.
tg_set_bandwidth() will be used as the muxing point. No functional changes
intended.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250614012346.2358261-5-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.