Mateusz Guzik 5e57adc874 random(4): depessimize arc4random
- __predict_false reseeding on entry as it is almost never true.
- don't blindly atomic_cmpset as on x86 it ends up dirtying the cacheline.
it almost ever succeeds per above
- fetch the timestamp prior to getting the cpu number

Reviewed by:	cem
Approved by:	secteam (delphij)
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D20242
2019-05-12 06:32:46 +00:00
..
2019-05-11 17:59:13 +00:00
2019-05-02 12:56:13 +00:00
2019-05-08 19:27:30 +00:00
2019-05-12 06:32:46 +00:00
2019-05-08 02:32:11 +00:00
2019-05-11 04:18:06 +00:00
2019-05-10 20:15:40 +00:00
2019-05-08 10:55:47 +00:00