cpumask: prepare for iterators to only go to nr_cpu_ids/nr_cpumask_bits.: ia64
Impact: cleanup, futureproof
In fact, all cpumask ops will only be valid (in general) for bit
numbers < nr_cpu_ids. So use that instead of NR_CPUS in various
places.
This is always safe: no cpu number can be >= nr_cpu_ids, and
nr_cpu_ids is initialized to NR_CPUS at boot.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index bab1de2..8f33a88 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1456,9 +1456,9 @@
ia64_mca_cmc_int_handler(cmc_irq, arg);
- for (++cpuid ; cpuid < NR_CPUS && !cpu_online(cpuid) ; cpuid++);
+ cpuid = cpumask_next(cpuid+1, cpu_online_mask);
- if (cpuid < NR_CPUS) {
+ if (cpuid < nr_cpu_ids) {
platform_send_ipi(cpuid, IA64_CMCP_VECTOR, IA64_IPI_DM_INT, 0);
} else {
/* If no log record, switch out of polling mode */
@@ -1525,7 +1525,7 @@
ia64_mca_cpe_int_handler(cpe_irq, arg);
- for (++cpuid ; cpuid < NR_CPUS && !cpu_online(cpuid) ; cpuid++);
+ cpuid = cpumask_next(cpuid+1, cpu_online_mask);
if (cpuid < NR_CPUS) {
platform_send_ipi(cpuid, IA64_CPEP_VECTOR, IA64_IPI_DM_INT, 0);