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| H A D | random.c | diff a3f9e8910e1584d7725ef7d5ac870920d42d0bb4 Tue Feb 22 14:01:57 CET 2022 Jason A. Donenfeld <Jason@zx2c4.com> random: only wake up writers after zap if threshold was passed
The only time that we need to wake up /dev/random writers on
RNDCLEARPOOL/RNDZAPPOOL is when we're changing from a value that is
greater than or equal to POOL_MIN_BITS to zero, because if we're
changing from below POOL_MIN_BITS to zero, the writers are already
unblocked.
Cc: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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