Pull bugzilla-5452 into release branch

[pandora-kernel.git] / arch / ia64 / kernel / irq.c

diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index 205d980..9c72ea3 100644 (file)
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -57,9 +57,9 @@ int show_interrupts(struct seq_file *p, void *v)
 
        if (i == 0) {
                seq_printf(p, "           ");
-               for (j=0; j<NR_CPUS; j++)
-                       if (cpu_online(j))
-                               seq_printf(p, "CPU%d       ",j);
+               for_each_online_cpu(j) {
+                       seq_printf(p, "CPU%d       ",j);
+               }
                seq_putc(p, '\n');
        }
 
@@ -72,9 +72,9 @@ int show_interrupts(struct seq_file *p, void *v)
 #ifndef CONFIG_SMP
                seq_printf(p, "%10u ", kstat_irqs(i));
 #else
-               for (j = 0; j < NR_CPUS; j++)
-                       if (cpu_online(j))
-                               seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
+               for_each_online_cpu(j) {
+                       seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
+               }
 #endif
                seq_printf(p, " %14s", irq_desc[i].handler->typename);
                seq_printf(p, "  %s", action->name);
@@ -101,7 +101,6 @@ void set_irq_affinity_info (unsigned int irq, int hwid, int redir)
 
        if (irq < NR_IRQS) {
                irq_affinity[irq] = mask;
-               set_irq_info(irq, mask);
                irq_redir[irq] = (char) (redir & 0xff);
        }
 }
@@ -163,8 +162,19 @@ void fixup_irqs(void)
 {
        unsigned int irq;
        extern void ia64_process_pending_intr(void);
+       extern void ia64_disable_timer(void);
+       extern volatile int time_keeper_id;
+
+       ia64_disable_timer();
+
+       /*
+        * Find a new timesync master
+        */
+       if (smp_processor_id() == time_keeper_id) {
+               time_keeper_id = first_cpu(cpu_online_map);
+               printk ("CPU %d is now promoted to time-keeper master\n", time_keeper_id);
+       }
 
-       ia64_set_itv(1<<16);
        /*
         * Phase 1: Locate irq's bound to this cpu and
         * relocate them for cpu removal.