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87d805331a
the life is much simpler if copy_regset_to_user() (and ->get()) gets called only with pos == 0; sparc32 PTRACE_GETREGS and PTRACE_GETFPREGS are among the few things that use it to fetch pieces of regset _not_ starting at the beginning. It's actually easier to define a separate regset that would provide what we need, rather than trying to cobble that from the one PTRACE_GETREGSET uses. Extra ->get() instances do not amount to much code and once we get the conversion of ->get() to new API (dependent upon the lack of weird callers of ->get()) they'll shrink a lot, along with the rest of ->get() instances... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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.