Merge branches 'tracing/ftrace', 'tracing/syscalls' and 'linus' into tracing/core
[linux-2.6.git] / arch / parisc / kernel / irq.c
index 4948280..2b5f591 100644 (file)
@@ -112,7 +112,7 @@ void cpu_end_irq(unsigned int irq)
 }
 
 #ifdef CONFIG_SMP
-int cpu_check_affinity(unsigned int irq, cpumask_t *dest)
+int cpu_check_affinity(unsigned int irq, const struct cpumask *dest)
 {
        int cpu_dest;
 
@@ -120,23 +120,25 @@ int cpu_check_affinity(unsigned int irq, cpumask_t *dest)
        if (CHECK_IRQ_PER_CPU(irq)) {
                /* Bad linux design decision.  The mask has already
                 * been set; we must reset it */
-               cpumask_setall(irq_desc[irq].affinity);
+               cpumask_setall(&irq_desc[irq].affinity);
                return -EINVAL;
        }
 
        /* whatever mask they set, we just allow one CPU */
        cpu_dest = first_cpu(*dest);
-       *dest = cpumask_of_cpu(cpu_dest);
 
-       return 0;
+       return cpu_dest;
 }
 
 static void cpu_set_affinity_irq(unsigned int irq, const struct cpumask *dest)
 {
-       if (cpu_check_affinity(irq, dest))
+       int cpu_dest;
+
+       cpu_dest = cpu_check_affinity(irq, dest);
+       if (cpu_dest < 0)
                return;
 
-       cpumask_copy(irq_desc[irq].affinity, dest);
+       cpumask_copy(&irq_desc[irq].affinity, dest);
 }
 #endif
 
@@ -295,7 +297,7 @@ int txn_alloc_irq(unsigned int bits_wide)
 unsigned long txn_affinity_addr(unsigned int irq, int cpu)
 {
 #ifdef CONFIG_SMP
-       cpumask_copy(irq_desc[irq].affinity, cpumask_of(cpu));
+       cpumask_copy(&irq_desc[irq].affinity, cpumask_of(cpu));
 #endif
 
        return per_cpu(cpu_data, cpu).txn_addr;
@@ -352,7 +354,7 @@ void do_cpu_irq_mask(struct pt_regs *regs)
        irq = eirr_to_irq(eirr_val);
 
 #ifdef CONFIG_SMP
-       cpumask_copy(&dest, irq_desc[irq].affinity);
+       cpumask_copy(&dest, &irq_desc[irq].affinity);
        if (CHECK_IRQ_PER_CPU(irq_desc[irq].status) &&
            !cpu_isset(smp_processor_id(), dest)) {
                int cpu = first_cpu(dest);