cpumask: convert kernel/irq

Impact: Reduce stack usage, use new cpumask API.  ALPHA mod!

Main change is that irq_default_affinity becomes a cpumask_var_t, so
treat it as a pointer (this effects alpha).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 2 insertions, 1 deletions

diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c
index d0f1620007f7..703731accda6 100644
--- a/arch/alpha/kernel/irq.c
+++ b/arch/alpha/kernel/irq.c
@@ -50,7 +50,8 @@ int irq_select_affinity(unsigned int irq)
         if (!irq_desc[irq].chip->set_affinity || irq_user_affinity[irq])
                 return 1;
 
-        while (!cpu_possible(cpu) || !cpu_isset(cpu, irq_default_affinity))
+        while (!cpu_possible(cpu) ||
+               !cpumask_test_cpu(cpu, irq_default_affinity))
                 cpu = (cpu < (NR_CPUS-1) ? cpu + 1 : 0);
         last_cpu = cpu;