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-rw-r--r--arch/powerpc/platforms/pseries/xics.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 2d60ea30fed6..b14f9b5c114e 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -522,7 +522,7 @@ nextnode:
522 522
523 np = of_find_node_by_type(NULL, "interrupt-controller"); 523 np = of_find_node_by_type(NULL, "interrupt-controller");
524 if (!np) { 524 if (!np) {
525 printk(KERN_WARNING "xics: no ISA interrupt controller\n"); 525 printk(KERN_DEBUG "xics: no ISA interrupt controller\n");
526 xics_irq_8259_cascade_real = -1; 526 xics_irq_8259_cascade_real = -1;
527 xics_irq_8259_cascade = -1; 527 xics_irq_8259_cascade = -1;
528 } else { 528 } else {
@@ -641,23 +641,26 @@ void xics_teardown_cpu(int secondary)
641 ops->cppr_info(cpu, 0x00); 641 ops->cppr_info(cpu, 0x00);
642 iosync(); 642 iosync();
643 643
644 /* Clear IPI */
645 ops->qirr_info(cpu, 0xff);
646
647 /*
648 * we need to EOI the IPI if we got here from kexec down IPI
649 *
650 * probably need to check all the other interrupts too
651 * should we be flagging idle loop instead?
652 * or creating some task to be scheduled?
653 */
654 ops->xirr_info_set(cpu, XICS_IPI);
655
644 /* 656 /*
645 * Some machines need to have at least one cpu in the GIQ, 657 * Some machines need to have at least one cpu in the GIQ,
646 * so leave the master cpu in the group. 658 * so leave the master cpu in the group.
647 */ 659 */
648 if (secondary) { 660 if (secondary)
649 /*
650 * we need to EOI the IPI if we got here from kexec down IPI
651 *
652 * probably need to check all the other interrupts too
653 * should we be flagging idle loop instead?
654 * or creating some task to be scheduled?
655 */
656 ops->xirr_info_set(cpu, XICS_IPI);
657 rtas_set_indicator(GLOBAL_INTERRUPT_QUEUE, 661 rtas_set_indicator(GLOBAL_INTERRUPT_QUEUE,
658 (1UL << interrupt_server_size) - 1 - 662 (1UL << interrupt_server_size) - 1 -
659 default_distrib_server, 0); 663 default_distrib_server, 0);
660 }
661} 664}
662 665
663#ifdef CONFIG_HOTPLUG_CPU 666#ifdef CONFIG_HOTPLUG_CPU