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64a06f195d
Currently us428ctls_shmem pages are allocated dynamically upon the mmap call, but this is quite racy. Since the shared memory itself is mandatory for the mmap, let's allocate it at the beginning of the card initialization. Also, fix the initialization of the wait queue, too. Link: https://lore.kernel.org/r/20210517131545.27252-9-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.