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e882489024
The naming conventions in the delay code are confusing at best. All delay variants use a loops argument and or variable which originates from the original delay_loop() implementation. But all variants except delay_loop() are based on TSC cycles. Rename the argument to cycles and make it type u64 to avoid these weird expansions to u64 in the functions. Rename MWAITX_MAX_LOOPS to MWAITX_MAX_WAIT_CYCLES for the same reason and fixup the comment of delay_mwaitx() as well. Mark the delay_fn function pointer __ro_after_init and fixup the comment for it. No functional change and preparation for the upcoming TPAUSE based delay variant. [ Kyung Min Park: Added __init to use_tsc_delay() ] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Kyung Min Park <kyung.min.park@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/1587757076-30337-2-git-send-email-kyung.min.park@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.