Max Filippov 2adf5352a3 xtensa: add missing __user annotations to asm/uaccess.h
clear_user, strncpy_user, strnlen_user and their helpers operate on user
pointers, but don't have their arguments marked as __user.
Add __user annotation to userspace pointers of those functions.
Fix open-coded access check in the strnlen_user while at it.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2020-05-22 16:09:00 -07:00
2020-02-24 22:43:18 -08:00
2020-05-17 16:48:37 -07:00

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.
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