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This is partly for readability - using named arguments instead of numbered ones makes it muchmore obvious just what is going on. Using "%[efault]" instead of "%4" for the special -EFAULT constant just means that you don't have to count the arguments to see what's up. But the motivation for all this cleanup is that when we'll start to conditionally use "asm goto" even for the __get_user_asm() case, the argument numbers will depend on whether we have an error output, or an error label we can just directly jump to. So this moves us towards named arguments for the same reason that we have to use named arguments for the asms that use SET_CC(): numbering will eventually become similarly unreliable and depends on whether we can use particular compiler features or not. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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.