--- zzzz-none-000/linux-2.6.19.2/arch/arm/kernel/smp.c	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5505/linux-2.6.19.2/arch/arm/kernel/smp.c	2007-01-11 07:38:19.000000000 +0000
@@ -7,7 +7,6 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-#include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
@@ -20,7 +19,6 @@
 #include <linux/cpu.h>
 #include <linux/smp.h>
 #include <linux/seq_file.h>
-#include <linux/irq.h>
 
 #include <asm/atomic.h>
 #include <asm/cacheflush.h>
@@ -451,7 +449,6 @@
 	return smp_call_function_on_cpu(func, info, retry, wait,
 					cpu_online_map);
 }
-EXPORT_SYMBOL_GPL(smp_call_function);
 
 void show_ipi_list(struct seq_file *p)
 {
@@ -477,26 +474,25 @@
 	seq_putc(p, '\n');
 }
 
-static void ipi_timer(void)
+static void ipi_timer(struct pt_regs *regs)
 {
+	int user = user_mode(regs);
+
 	irq_enter();
-	profile_tick(CPU_PROFILING);
-	update_process_times(user_mode(get_irq_regs()));
+	profile_tick(CPU_PROFILING, regs);
+	update_process_times(user);
 	irq_exit();
 }
 
 #ifdef CONFIG_LOCAL_TIMERS
 asmlinkage void do_local_timer(struct pt_regs *regs)
 {
-	struct pt_regs *old_regs = set_irq_regs(regs);
 	int cpu = smp_processor_id();
 
 	if (local_timer_ack()) {
 		irq_stat[cpu].local_timer_irqs++;
-		ipi_timer();
+		ipi_timer(regs);
 	}
-
-	set_irq_regs(old_regs);
 }
 #endif
 
@@ -555,7 +551,6 @@
 {
 	unsigned int cpu = smp_processor_id();
 	struct ipi_data *ipi = &per_cpu(ipi_data, cpu);
-	struct pt_regs *old_regs = set_irq_regs(regs);
 
 	ipi->ipi_count++;
 
@@ -579,7 +574,7 @@
 
 			switch (nextmsg) {
 			case IPI_TIMER:
-				ipi_timer();
+				ipi_timer(regs);
 				break;
 
 			case IPI_RESCHEDULE:
@@ -604,8 +599,6 @@
 			}
 		} while (msgs);
 	}
-
-	set_irq_regs(old_regs);
 }
 
 void smp_send_reschedule(int cpu)