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/vax | |
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/vax')
-rw-r--r-- | sys/arch/vax/include/cpu.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/arch/vax/include/cpu.h b/sys/arch/vax/include/cpu.h index a7af7b5a25c..68e9478ee17 100644 --- a/sys/arch/vax/include/cpu.h +++ b/sys/arch/vax/include/cpu.h @@ -1,4 +1,4 @@ -/* $OpenBSD: cpu.h,v 1.32 2008/10/10 08:36:28 art Exp $ */ +/* $OpenBSD: cpu.h,v 1.33 2008/10/15 23:23:50 deraadt Exp $ */ /* $NetBSD: cpu.h,v 1.41 1999/10/21 20:01:36 ragge Exp $ */ /* @@ -54,6 +54,7 @@ struct cpu_info { struct proc *ci_curproc; struct schedstate_percpu ci_schedstate; /* scheduler state */ + u_int32_t ci_randseed; }; extern struct cpu_info cpu_info_store; |