[IA64-SGI] sn_hwperf use of num_online_cpus()
hawkes@sgi.com [Mon, 27 Mar 2006 21:18:17 +0000 (13:18 -0800)]
Eliminate an unnecessary -- and flawed -- use of the expensive
num_online_cpus().

Signed-off-by: John Hawkes <hawkes@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

arch/ia64/sn/kernel/sn2/sn_hwperf.c

index 70db21f..6ff34fc 100644 (file)
@@ -605,7 +605,7 @@ static int sn_hwperf_op_cpu(struct sn_hwperf_op_info *op_info)
        op_info->a->arg &= SN_HWPERF_ARG_OBJID_MASK;
 
        if (cpu != SN_HWPERF_ARG_ANY_CPU) {
-               if (cpu >= num_online_cpus() || !cpu_online(cpu)) {
+               if (cpu >= NR_CPUS || !cpu_online(cpu)) {
                        r = -EINVAL;
                        goto out;
                }