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Date: Mon, 30 Sep 2002 16:43:14 +0530
From: Dipankar Sarma <dipankar@in.ibm.com>
To: Andrew Morton <akpm@zip.com.au>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] 2.5.39-mm1 fixes 1/3
Message-ID: <20020930164314.A27121@in.ibm.com>
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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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