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authorJiri Slaby <jirislaby@gmail.com>2009-03-02 04:53:56 -0500
committerIngo Molnar <mingo@elte.hu>2009-03-02 05:20:33 -0500
commitc2b20cbd057b97e2f440fa3bc90b3df51de324fe (patch)
treedd57f0fbffea6e463efc712cac0a0284fafb517e /arch/x86/kernel/apic/es7000_32.c
parent9694cd6c17582cd6c29bf4a4e4aa767862ff4f4c (diff)
x86_32: apic/es7000_32, cpu_mask_to_apicid cleanup
Remove es7000_cpu_mask_to_apicid_cluster completely, because it's almost the same as es7000_cpu_mask_to_apicid except 2 code paths. One of them is about to be removed soon, the another should be BAD_APICID (it's a fail path). The _cluster one was not invoked on apic->cpu_mask_to_apicid_and anyway, since there was no _cluster_and variant. Also use newer cpumask functions. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/apic/es7000_32.c')
-rw-r--r--arch/x86/kernel/apic/es7000_32.c46
1 files changed, 4 insertions, 42 deletions
diff --git a/arch/x86/kernel/apic/es7000_32.c b/arch/x86/kernel/apic/es7000_32.c
index da37e2c59fe1..9b9e86f3cfd9 100644
--- a/arch/x86/kernel/apic/es7000_32.c
+++ b/arch/x86/kernel/apic/es7000_32.c
@@ -575,25 +575,21 @@ static int es7000_check_phys_apicid_present(int cpu_physical_apicid)
575 return 1; 575 return 1;
576} 576}
577 577
578static unsigned int 578static unsigned int es7000_cpu_mask_to_apicid(const cpumask_t *cpumask)
579es7000_cpu_mask_to_apicid_cluster(const struct cpumask *cpumask)
580{ 579{
581 int cpus_found = 0; 580 unsigned int cpu, num_bits_set, cpus_found = 0;
582 int num_bits_set;
583 int apicid; 581 int apicid;
584 int cpu;
585 582
586 num_bits_set = cpumask_weight(cpumask); 583 num_bits_set = cpumask_weight(cpumask);
587 /* Return id to all */ 584 /* Return id to all */
588 if (num_bits_set == nr_cpu_ids) 585 if (num_bits_set == nr_cpu_ids)
589 return 0xFF; 586 return es7000_cpu_to_logical_apicid(0);
590 /* 587 /*
591 * The cpus in the mask must all be on the apic cluster. If are not 588 * The cpus in the mask must all be on the apic cluster. If are not
592 * on the same apicid cluster return default value of target_cpus(): 589 * on the same apicid cluster return default value of target_cpus():
593 */ 590 */
594 cpu = cpumask_first(cpumask); 591 cpu = cpumask_first(cpumask);
595 apicid = es7000_cpu_to_logical_apicid(cpu); 592 apicid = es7000_cpu_to_logical_apicid(cpu);
596
597 while (cpus_found < num_bits_set) { 593 while (cpus_found < num_bits_set) {
598 if (cpumask_test_cpu(cpu, cpumask)) { 594 if (cpumask_test_cpu(cpu, cpumask)) {
599 int new_apicid = es7000_cpu_to_logical_apicid(cpu); 595 int new_apicid = es7000_cpu_to_logical_apicid(cpu);
@@ -601,40 +597,6 @@ es7000_cpu_mask_to_apicid_cluster(const struct cpumask *cpumask)
601 if (APIC_CLUSTER(apicid) != APIC_CLUSTER(new_apicid)) { 597 if (APIC_CLUSTER(apicid) != APIC_CLUSTER(new_apicid)) {
602 WARN(1, "Not a valid mask!"); 598 WARN(1, "Not a valid mask!");
603 599
604 return 0xFF;
605 }
606 apicid = new_apicid;
607 cpus_found++;
608 }
609 cpu++;
610 }
611 return apicid;
612}
613
614static unsigned int es7000_cpu_mask_to_apicid(const cpumask_t *cpumask)
615{
616 int cpus_found = 0;
617 int num_bits_set;
618 int apicid;
619 int cpu;
620
621 num_bits_set = cpus_weight(*cpumask);
622 /* Return id to all */
623 if (num_bits_set == nr_cpu_ids)
624 return es7000_cpu_to_logical_apicid(0);
625 /*
626 * The cpus in the mask must all be on the apic cluster. If are not
627 * on the same apicid cluster return default value of target_cpus():
628 */
629 cpu = first_cpu(*cpumask);
630 apicid = es7000_cpu_to_logical_apicid(cpu);
631 while (cpus_found < num_bits_set) {
632 if (cpu_isset(cpu, *cpumask)) {
633 int new_apicid = es7000_cpu_to_logical_apicid(cpu);
634
635 if (APIC_CLUSTER(apicid) != APIC_CLUSTER(new_apicid)) {
636 printk("%s: Not a valid mask!\n", __func__);
637
638 return es7000_cpu_to_logical_apicid(0); 600 return es7000_cpu_to_logical_apicid(0);
639 } 601 }
640 apicid = new_apicid; 602 apicid = new_apicid;
@@ -739,7 +701,7 @@ struct apic apic_es7000_cluster = {
739 .set_apic_id = NULL, 701 .set_apic_id = NULL,
740 .apic_id_mask = 0xFF << 24, 702 .apic_id_mask = 0xFF << 24,
741 703
742 .cpu_mask_to_apicid = es7000_cpu_mask_to_apicid_cluster, 704 .cpu_mask_to_apicid = es7000_cpu_mask_to_apicid,
743 .cpu_mask_to_apicid_and = es7000_cpu_mask_to_apicid_and, 705 .cpu_mask_to_apicid_and = es7000_cpu_mask_to_apicid_and,
744 706
745 .send_IPI_mask = es7000_send_IPI_mask, 707 .send_IPI_mask = es7000_send_IPI_mask,