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4441b976df
Clang and GCC complain about overlapped initialisers in the hrtimer_clock_to_base_table definition. With `make W=1` and CONFIG_WERROR=y (which is default nowadays) this breaks the build: CC kernel/time/hrtimer.o kernel/time/hrtimer.c:124:21: error: initializer overrides prior initialization of this subobject [-Werror,-Winitializer-overrides] 124 | [CLOCK_REALTIME] = HRTIMER_BASE_REALTIME, kernel/time/hrtimer.c:122:27: note: previous initialization is here 122 | [0 ... MAX_CLOCKS - 1] = HRTIMER_MAX_CLOCK_BASES, (and similar for CLOCK_MONOTONIC, CLOCK_BOOTTIME, and CLOCK_TAI). hrtimer_clockid_to_base(), which uses the table, is only used in __hrtimer_init(), which is not a hotpath. Therefore replace the table lookup with a switch case in hrtimer_clockid_to_base() to avoid this warning. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/all/20250214134424.3367619-1-andriy.shevchenko@linux.intel.com |
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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.