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/sh/include/cpu.h b/sys/arch/sh/include/cpu.h
index 39d386f893d..681b799c039 100644
--- a/sys/arch/sh/include/cpu.h
+++ b/sys/arch/sh/include/cpu.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: cpu.h,v 1.17 2008/10/10 08:36:28 art Exp $	*/
+/*	$OpenBSD: cpu.h,v 1.18 2008/10/15 23:23:49 deraadt Exp $	*/
 /*	$NetBSD: cpu.h,v 1.41 2006/01/21 04:24:12 uwe Exp $	*/
 
 /*-
@@ -59,6 +59,7 @@ 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;