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Arnd Bergmann
eede0b859e
Since commit 07d106d0a3 ("vfs: fix up ENOIOCTLCMD error handling"),
we don't warn about unhandled compat-ioctl command code any more, but
just return the same error that a native file descriptor returns when
there is no handler.
This means the IGNORE_IOCTL() annotations are completely useless and
can all be removed. TIOCSTART/TIOCSTOP and KDGHWCLK/KDSHWCLK fall into
the same category, but for some reason were listed as COMPATIBLE_IOCTL().
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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.