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(parent: 9ed17b7) | patch
random: allow fractional bits to be tracked
authorH. Peter Anvin <hpa@zytor.com>
Wed, 11 Sep 2013 03:16:17 +0000 (23:16 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Thu, 10 Oct 2013 18:32:14 +0000 (14:32 -0400)
commita283b5c459784f9762a74c312b134e9a524f5a5f
tree4d95a6686ce716f1ca69a7a23120647b1aa6220dtree
parent9ed17b70b409dc48c134a80b5a6df582ba759de2commit | diff
random: allow fractional bits to be tracked

Allow fractional bits of entropy to be tracked by scaling the entropy
counter (fixed point).  This will be used in a subsequent patch that
accounts for entropy lost due to overwrites.

[ Modified by tytso to fix up a few missing places where the
  entropy_count wasn't properly converted from fractional bits to
  bits. ]

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
drivers/char/random.c diff | blob | history
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