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random: remove ifdef'd out interrupt bench

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commit 95e6060c20 upstream.

With tools like kbench9000 giving more finegrained responses, and this
basically never having been used ever since it was initially added,
let's just get rid of this. There *is* still work to be done on the
interrupt handler, but this really isn't the way it's being developed.

Cc: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jason A. Donenfeld 2022-02-10 16:35:24 +01:00 • committed by Justin Hammond
parent 76af7bca59
commit d328f14278
2 changed files with 0 additions and 49 deletions
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9
Documentation/admin-guide/sysctl/kernel.rst
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@ -1031,15 +1031,6 @@ This is a directory, with the following entries:
are woken up. This file is writable for compatibility purposes, but
writing to it has no effect on any RNG behavior.
If ``drivers/char/random.c`` is built with ``ADD_INTERRUPT_BENCH``
defined, these additional entries are present:
* ``add_interrupt_avg_cycles``: the average number of cycles between
interrupts used to feed the pool;
* ``add_interrupt_avg_deviation``: the standard deviation seen on the
number of cycles between interrupts used to feed the pool.
randomize_va_space
==================