#define __ASM_SUMMIT_APIC_H
#include <asm/smp.h>
+#include <linux/gfp.h>
#define esr_disable (1)
#define NO_BALANCE_IRQ (0)
int i;
/* Create logical APIC IDs by counting CPUs already in cluster. */
- for (count = 0, i = NR_CPUS; --i >= 0; ) {
+ for (count = 0, i = nr_cpu_ids; --i >= 0; ) {
lid = cpu_2_logical_apicid[i];
if (lid != BAD_APICID && apicid_cluster(lid) == my_cluster)
++count;
static inline int cpu_to_logical_apicid(int cpu)
{
#ifdef CONFIG_SMP
- if (cpu >= NR_CPUS)
- return BAD_APICID;
+ if (cpu >= nr_cpu_ids)
+ return BAD_APICID;
return (int)cpu_2_logical_apicid[cpu];
#else
return logical_smp_processor_id();
static inline int cpu_present_to_apicid(int mps_cpu)
{
- if (mps_cpu < NR_CPUS)
+ if (mps_cpu < nr_cpu_ids)
return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu);
else
return BAD_APICID;
num_bits_set = cpus_weight(*cpumask);
/* Return id to all */
- if (num_bits_set == NR_CPUS)
+ if (num_bits_set >= nr_cpu_ids)
return (int) 0xFF;
/*
* The cpus in the mask must all be on the apic cluster. If are not
static inline unsigned int cpu_mask_to_apicid_and(const struct cpumask *inmask,
const struct cpumask *andmask)
{
- int num_bits_set;
- int cpus_found = 0;
- int cpu;
- int apicid = 0xFF;
+ int apicid = cpu_to_logical_apicid(0);
cpumask_var_t cpumask;
if (!alloc_cpumask_var(&cpumask, GFP_ATOMIC))
- return (int) 0xFF;
+ return apicid;
cpumask_and(cpumask, inmask, andmask);
cpumask_and(cpumask, cpumask, cpu_online_mask);
+ apicid = cpu_mask_to_apicid(cpumask);
- num_bits_set = cpumask_weight(cpumask);
- /* Return id to all */
- if (num_bits_set == nr_cpu_ids)
- goto exit;
- /*
- * The cpus in the mask must all be on the apic cluster. If are not
- * on the same apicid cluster return default value of TARGET_CPUS.
- */
- cpu = cpumask_first(cpumask);
- apicid = cpu_to_logical_apicid(cpu);
- while (cpus_found < num_bits_set) {
- if (cpumask_test_cpu(cpu, cpumask)) {
- int new_apicid = cpu_to_logical_apicid(cpu);
- if (apicid_cluster(apicid) !=
- apicid_cluster(new_apicid)){
- printk ("%s: Not a valid mask!\n", __func__);
- return 0xFF;
- }
- apicid = apicid | new_apicid;
- cpus_found++;
- }
- cpu++;
- }
-exit:
free_cpumask_var(cpumask);
return apicid;
}