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a8d03c3f30
I'm working on some code that detects at build time if there's a COMPAT_SYSCALL_DEFINE() that is not referenced in the x86 syscall tables. It catches three offenders: rt_sigsuspend(), rt_sigprocmask(), and sendfile64(). For rt_sigsuspend() and rt_sigprocmask(), the only potential difference between the native and compat versions is that the compat version converts the sigset_t, but, on little endian architectures, the conversion is a no-op. This is why they both currently work on x86. To make the code more consistent, and to make the upcoming patches work, rewire x86 to use the compat vesions. sendfile64() is more complicated, and will be addressed separately. Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/51643ac3157b5921eae0e172a8a0b1d953e68ebb.1562185330.git.luto@kernel.org |
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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.