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Jiri Slaby (SUSE)
e9d9576de0
First, there is no such user. The only user of this interface is caam_rng_fill_async() and that uses kfifo_alloc() -> kmalloc(). Second, the implementation does not allow anything else than direct mapping and kmalloc() (due to virt_to_phys()), anyway. Therefore, there is no point in having this dead (and complex) code in the kernel. Note the setup_sgl_buf() function now boils down to simple sg_set_buf(). That is called twice from setup_sgl() to take care of kfifo buffer wrap-around. setup_sgl_buf() will be extended shortly, so keeping it in place. Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Stefani Seibold <stefani@seibold.net> Link: https://lore.kernel.org/r/20240405060826.2521-5-jirislaby@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 reStructuredText 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.