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authorTheo de Raadt <deraadt@cvs.openbsd.org>2008-10-15 23:23:52 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>2008-10-15 23:23:52 +0000
commit402af595bcaa120a104360ebebeb3d8f5eac8859 (patch)
tree246ce2dffcd538c7674e8ed19b552cbadd811192 /sys/arch/vax
parent01ed2ea8940e2739cafb585b7d5f8d8db553c397 (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.h3
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;