[PATCH] ia64: cpumask_t fixes

This patch coverts a few spots to use cpumask_t instead of unsigned
long.

arch/ia64/kernel/mca.c

@@ -1193,7 +1193,7 @@ static void
 ia64_mca_cmc_poll (unsigned long dummy)
 {
 	/* Trigger a CMC interrupt cascade  */
-	platform_send_ipi(__ffs(cpu_online_map), IA64_CMCP_VECTOR, IA64_IPI_DM_INT, 0);
+	platform_send_ipi(first_cpu(cpu_online_map), IA64_CMCP_VECTOR, IA64_IPI_DM_INT, 0);
 }
 
 /*
@@ -1260,7 +1260,7 @@ static void
 ia64_mca_cpe_poll (unsigned long dummy)
 {
 	/* Trigger a CPE interrupt cascade  */
-	platform_send_ipi(__ffs(cpu_online_map), IA64_CPEP_VECTOR, IA64_IPI_DM_INT, 0);
+	platform_send_ipi(first_cpu(cpu_online_map), IA64_CPEP_VECTOR, IA64_IPI_DM_INT, 0);
 }
 
 /*

arch/ia64/kernel/time.c

@@ -187,7 +187,7 @@ static inline void
 ia64_do_profile (struct pt_regs * regs)
 {
 	unsigned long ip, slot;
-	extern unsigned long prof_cpu_mask;
+	extern cpumask_t prof_cpu_mask;
 
 	profile_hook(regs);
 

include/asm-ia64/numa.h

@@ -23,7 +23,7 @@
 
 #include <linux/cache.h>
 extern volatile char cpu_to_node_map[NR_CPUS] __cacheline_aligned;
-extern volatile unsigned long node_to_cpu_mask[NR_NODES] __cacheline_aligned;
+extern volatile cpumask_t node_to_cpu_mask[NR_NODES] __cacheline_aligned;
 
 /* Stuff below this line could be architecture independent */
 

include/asm-ia64/sn/nodepda.h

@@ -128,7 +128,7 @@ typedef struct irqpda_s irqpda_t;
  * Check if given a compact node id the corresponding node has all the
  * cpus disabled. 
  */
-#define is_headless_node(cnode)		(!node_to_cpumask(cnode))
+#define is_headless_node(cnode)		(!any_online_cpu(node_to_cpumask(cnode)))
 
 /*
  * Check if given a node vertex handle the corresponding node has all the