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

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;