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4e268db747
usx2y drivers may expose the allocated pages via mmap, but it performs zero-clear only for the struct size, not aligned with the page size. This leaves out some uninitialized trailing bytes. This patch fixes the clearance to cover all memory that are exposed to user-space. Link: https://lore.kernel.org/r/20210517131545.27252-5-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.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.