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0049f04c7d
Given that acpi_pm_read_early() returns a u32 (masked to 24 bits), several variables that store its return value are improved by adjusting their data types from unsigned long to u32. Specifically, change deltapm's type from long to u32 because its value fits into 32 bits and it cannot be negative. These data type improvements resolve the following two Coccinelle/ coccicheck warnings reported by do_div.cocci: arch/x86/kernel/apic/apic.c:734:1-7: WARNING: do_div() does a 64-by-32 division, please consider using div64_long instead. arch/x86/kernel/apic/apic.c:742:2-8: WARNING: do_div() does a 64-by-32 division, please consider using div64_long instead. Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com> Link: https://lore.kernel.org/all/20240318104721.117741-3-thorsten.blum%40toblux.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.