Currently, XPC's heartbeat timer function runs on whatever CPU modprobe/insmod
ran on when XPC was started. To avoid the heartbeat from being delayed for
long periods the timer function must run on CPU 0.
Signed-off-by: Dean Nelson <[EMAIL PROTECTED]>
Index: linux-2.6/arch/ia64/sn/kernel/xpc_main.c
===================================================================
--- linux-2.6.orig/arch/ia64/sn/kernel/xpc_main.c 2007-11-05
13:39:09.024152387 -0600
+++ linux-2.6/arch/ia64/sn/kernel/xpc_main.c 2007-11-05 13:44:28.815893952
-0600
@@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (c) 2004-2006 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2004-2007 Silicon Graphics, Inc. All Rights Reserved.
*/
@@ -257,7 +257,9 @@
set_cpus_allowed(current, cpumask_of_cpu(XPC_HB_CHECK_CPU));
+ /* set our heartbeating to other partitions into motion */
xpc_hb_check_timeout = jiffies + (xpc_hb_check_interval * HZ);
+ xpc_hb_beater(0);
while (!(volatile int) xpc_exiting) {
@@ -1338,16 +1340,8 @@
dev_warn(xpc_part, "can't register die notifier\n");
}
-
- /*
- * Set the beating to other partitions into motion. This is
- * the last requirement for other partitions' discovery to
- * initiate communications with us.
- */
init_timer(&xpc_hb_timer);
xpc_hb_timer.function = xpc_hb_beater;
- xpc_hb_beater(0);
-
/*
* The real work-horse behind xpc. This processes incoming
-
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