[PATCH] 2.5.39-mm1 fixes 1/3

From: Dipankar Sarma (dipankar@in.ibm.com)
Date: Mon Sep 30 2002 - 06:13:14 EST

Hi Andrew,

rcu_ltimer was used mostly for performance measurements and wasn't
completely preemption friendly. With this fix (against 2.5.39-mm1),
it should be now.

Thanks 

-- 
Dipankar Sarma  <dipankar@in.ibm.com> http://lse.sourceforge.net
Linux Technology Center, IBM Software Lab, Bangalore, India.

--- kernel/rcupdate.c.orig	Mon Sep 30 13:55:15 2002
+++ kernel/rcupdate.c	Mon Sep 30 13:55:29 2002
@@ -60,12 +60,13 @@
  */
 void call_rcu(struct rcu_head *head, void (*func)(void *arg), void *arg)
 {
-	int cpu = smp_processor_id();
+	int cpu;
 	unsigned long flags;
 
 	head->func = func;
 	head->arg = arg;
 	local_irq_save(flags);
+	cpu = smp_processor_id();
 	list_add_tail(&head->list, &RCU_nxtlist(cpu));
 	local_irq_restore(flags);
 }
-
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This archive was generated by hypermail 2b29 : Mon Sep 30 2002 - 22:00:44 EST