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authortegge <tegge@FreeBSD.org>1998-05-17 22:12:14 +0000
committertegge <tegge@FreeBSD.org>1998-05-17 22:12:14 +0000
commit4347025be3ee2eaf0c12f7838df60ccaad126267 (patch)
tree35c785e270e1950f43a8dd00138cc297f3c02026 /sys/kern/kern_shutdown.c
parent902ca8e68b9388df5776d79f4fe4a9f26c7c8577 (diff)
downloadFreeBSD-src-4347025be3ee2eaf0c12f7838df60ccaad126267.zip
FreeBSD-src-4347025be3ee2eaf0c12f7838df60ccaad126267.tar.gz
Add forwarding of roundrobin to other cpus. This gives a more regular
update of cpu usage as shown by top when one process is cpu bound (no system calls) while the system is otherwise idle (except for top). Don't attempt to switch to the BSP in boot(). If the system was idle when an interrupt caused a panic, this won't work. Instead, switch to the BSP in cpu_reset. Remove some spurious forward_statclock/forward_hardclock warnings.
Diffstat (limited to 'sys/kern/kern_shutdown.c')
-rw-r--r--sys/kern/kern_shutdown.c17
1 files changed, 1 insertions, 16 deletions
diff --git a/sys/kern/kern_shutdown.c b/sys/kern/kern_shutdown.c
index 448bcc0..e48c1ad 100644
--- a/sys/kern/kern_shutdown.c
+++ b/sys/kern/kern_shutdown.c
@@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)kern_shutdown.c 8.3 (Berkeley) 1/21/94
- * $Id: kern_shutdown.c,v 1.30 1998/05/06 22:14:48 julian Exp $
+ * $Id: kern_shutdown.c,v 1.31 1998/05/12 17:34:02 bde Exp $
*/
#include "opt_ddb.h"
@@ -176,23 +176,8 @@ boot(howto)
sle_p ep;
#ifdef SMP
- int c, spins;
-
- /* The MPSPEC says that the BSP must do the shutdown */
if (smp_active) {
- smp_active = 0;
-
- spins = 100;
-
printf("boot() called on cpu#%d\n", cpuid);
- while ((c = cpuid) != 0) {
- if (spins-- < 1) {
- printf("timeout waiting for cpu #0!\n");
- break;
- }
- printf("I'm on cpu#%d, I need to be on cpu#0, sleeping..\n", c);
- tsleep((caddr_t)&smp_active, PZERO, "cpu0wt", 10);
- }
}
#endif
/*
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