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15c82d98a0
Update the syscall_numbering_64 selftest to reflect that a system call is to be extended from 32 bits. Add a mix of tests for valid and invalid system calls in 64-bit and x32 space. Use an explicit system call instruction, because the glibc syscall() wrapper might intercept instructions, extend the system call number independently, or anything similar. Use long long instead of long to make it possible to compile this test on x32 as well as 64 bits. Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20210518191303.4135296-2-hpa@zytor.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.