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authorNeilBrown <neilb@suse.com>2017-12-18 12:41:42 +1100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-08 16:03:44 +0100
commit30f4236aafa81722490e74ded48a9fb2aff013ab (patch)
tree8482ff744cc23c165ce12a51cf1c808ccb4ae087 /tools/perf/scripts/python
parentbcfa98a50763a0f781a8441d1994ae1456816219 (diff)
downloadcachepc-linux-30f4236aafa81722490e74ded48a9fb2aff013ab.tar.gz
cachepc-linux-30f4236aafa81722490e74ded48a9fb2aff013ab.zip
staging: lustre: replace cfs_srand() calls with add_device_randomness().
The only places that cfs_srand is called, the random bits are mixed with bits from get_random_bytes(). So it is equally effective to add entropy to either pool. So we can replace calls to cfs_srand() with calls that add the entropy with add_device_randomness(). That function adds time-based entropy, so we can discard the ktime_get_ts64 calls. One location in lustre_handles.c only adds timebased entropy. This cannot improve the entropy provided by get_random_bytes(), so just discard that call. Signed-off-by: NeilBrown <neilb@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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