* [PATCH 2/2] pktgen: nmi watchdog keep alive
@ 2009-09-20 5:21 Stephen Hemminger
0 siblings, 0 replies; only message in thread
From: Stephen Hemminger @ 2009-09-20 5:21 UTC (permalink / raw)
To: David Miller, Robert Olsson; +Cc: netdev
If pktgen gets really busy it takes up all the CPU,
and can starve the NMI thread and cause system reset.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
--- a/net/core/pktgen.c 2009-09-19 11:28:53.762463050 -0700
+++ b/net/core/pktgen.c 2009-09-19 11:30:36.534459968 -0700
@@ -136,6 +136,7 @@
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/list.h>
+#include <linux/nmi.h>
#include <linux/init.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
@@ -3369,6 +3370,7 @@ static void idle(struct pktgen_dev *pkt_
{
ktime_t idle_start = ktime_now();
+ touch_nmi_watchdog();
if (need_resched())
schedule();
else
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2009-09-20 5:21 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2009-09-20 5:21 [PATCH 2/2] pktgen: nmi watchdog keep alive Stephen Hemminger
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).