tree 83df1d702e0162dc7785730356d934b8d59c45e2
parent 331c6490c7f10dcf263712e313b7c0bc7fb6d77a
author H. Peter Anvin <hpa@linux.intel.com> 1395099390 -0700
committer Theodore Ts'o <tytso@mit.edu> 1395282248 -0400

random: Add arch_has_random[_seed]()

Add predicate functions for having arch_get_random[_seed]*().  The
only current use is to avoid the loop in arch_random_refill() when
arch_get_random_seed_long() is unavailable.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>