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commit9b29b6b203upstream. The current flow expands to: if (crng_ready()) ... else if (...) if (!crng_ready()) ... The second crng_ready() call is redundant, but can't so easily be optimized out by the compiler. This commit simplifies that to: if (crng_ready() ... else if (...) ... Fixes:560181c27b("random: move initialization functions out of hot pages") Cc: stable@vger.kernel.org Cc: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> 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 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.