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| author | Greg Price <price@MIT.EDU> | 2013-11-29 20:59:45 +0100 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2014-03-20 03:18:50 +0100 |
| commit | 18e9cea74951b64282964f9625db94c5d5a007bd (patch) | |
| tree | 267e8765b7704d2495e57996cc8d057aa757bcb0 /drivers/char/random.c | |
| parent | random: fix comment on proc_do_uuid (diff) | |
| download | linux-18e9cea74951b64282964f9625db94c5d5a007bd.tar.xz linux-18e9cea74951b64282964f9625db94c5d5a007bd.zip | |
random: fix description of get_random_bytes
After this remark was written, commit d2e7c96af added a use of
arch_get_random_long() inside the get_random_bytes codepath.
The main point stands, but it needs to be reworded.
Signed-off-by: Greg Price <price@mit.edu>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'drivers/char/random.c')
| -rw-r--r-- | drivers/char/random.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c index f0eea5fdc1b7..fcda7d3937e0 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1170,8 +1170,9 @@ static ssize_t extract_entropy_user(struct entropy_store *r, void __user *buf, /* * This function is the exported kernel interface. It returns some * number of good random numbers, suitable for key generation, seeding - * TCP sequence numbers, etc. It does not use the hw random number - * generator, if available; use get_random_bytes_arch() for that. + * TCP sequence numbers, etc. It does not rely on the hardware random + * number generator. For random bytes direct from the hardware RNG + * (when available), use get_random_bytes_arch(). */ void get_random_bytes(void *buf, int nbytes) { |