diff options
| author | Jason A. Donenfeld <Jason@zx2c4.com> | 2022-03-22 22:21:52 -0600 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2022-03-25 08:49:40 -0600 |
| commit | dd7aa36e535797926d8eb311da7151919130139d (patch) | |
| tree | 4d74e46793e95221b4a655993f5d5df8c7cbd8bb /drivers/char | |
| parent | d97c68d178fbf8aaaf21b69b446f2dfb13909316 (diff) | |
random: re-add removed comment about get_random_{u32,u64} reseeding
The comment about get_random_{u32,u64}() not invoking reseeding got
added in an unrelated commit, that then was recently reverted by
0313bc278dac ("Revert "random: block in /dev/urandom""). So this adds
that little comment snippet back, and improves the wording a bit too.
Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/random.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c index 1d7aac2a9600..40107f8b9e9e 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -224,9 +224,10 @@ static void _warn_unseeded_randomness(const char *func_name, void *caller, void * * These interfaces will return the requested number of random bytes * into the given buffer or as a return value. This is equivalent to - * a read from /dev/urandom. The integer family of functions may be - * higher performance for one-off random integers, because they do a - * bit of buffering. + * a read from /dev/urandom. The u32, u64, int, and long family of + * functions may be higher performance for one-off random integers, + * because they do a bit of buffering and do not invoke reseeding + * until the buffer is emptied. * *********************************************************************/ |