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553e41d1bc
The binfmt_elf_fdpic loader has some debug trace that can be enabled at
build time. The recent 64-bit additions cause some warnings if that
debug is enabled, such as:
fs/binfmt_elf_fdpic.c: In function ‘elf_fdpic_map_file’:
fs/binfmt_elf_fdpic.c:46:33: warning: format ‘%x’ expects argument of type ‘unsigned int’, but argument 3 has type ‘Elf64_Addr’ {aka ‘long long unsigned int’} [-Wformat=]
46 | #define kdebug(fmt, ...) printk("FDPIC "fmt"\n" ,##__VA_ARGS__ )
| ^~~~~~~~
./include/linux/printk.h:427:25: note: in definition of macro ‘printk_index_wrap’
427 | _p_func(_fmt, ##__VA_ARGS__); \
| ^~~~
Cast values to the largest possible type (which is equivilent to unsigned
long long in this case) and use appropriate format specifiers to match.
Fixes:
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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 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.