diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2008-10-15 23:23:52 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2008-10-15 23:23:52 +0000 |
commit | 402af595bcaa120a104360ebebeb3d8f5eac8859 (patch) | |
tree | 246ce2dffcd538c7674e8ed19b552cbadd811192 /sys/arch/macppc | |
parent | 01ed2ea8940e2739cafb585b7d5f8d8db553c397 (diff) |
make random(9) return per-cpu values (by saving the seed in the cpuinfo),
which are uniform for the profclock on each cpu in a SMP system (but using
a different seed for each cpu). on all cpus, avoid seeding with a value out
of the [0, 2^31-1] range (since that is not stable)
ok kettenis drahn
Diffstat (limited to 'sys/arch/macppc')
-rw-r--r-- | sys/arch/macppc/macppc/cpu.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/arch/macppc/macppc/cpu.c b/sys/arch/macppc/macppc/cpu.c index 1c7e58ea528..d443aa4f15a 100644 --- a/sys/arch/macppc/macppc/cpu.c +++ b/sys/arch/macppc/macppc/cpu.c @@ -1,4 +1,4 @@ -/* $OpenBSD: cpu.c,v 1.58 2008/09/18 03:56:25 drahn Exp $ */ +/* $OpenBSD: cpu.c,v 1.59 2008/10/15 23:23:49 deraadt Exp $ */ /* * Copyright (c) 1997 Per Fogelstrom @@ -672,6 +672,7 @@ cpu_boot_secondary_processors(void) ci = &cpu_info[i]; if (ci->ci_cpuid == 0) continue; + ci->ci_randseed = random(); sched_init_cpu(ci); |