Merge branch 'x86/urgent' into core/percpu

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / io_apic.c

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index c0498daf01c32cc939316035c7ed45a6e6e77997..0480d06a12a4bced0c2ae56b4c85556db45af9dd 100644 (file)
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -3812,14 +3812,24 @@ int __init io_apic_get_redir_entries (int ioapic)
 
 void __init probe_nr_irqs_gsi(void)
 {
-       int idx;
        int nr = 0;
 
-       for (idx = 0; idx < nr_ioapics; idx++)
-               nr += io_apic_get_redir_entries(idx) + 1;
-
-       if (nr > nr_irqs_gsi)
+       nr = acpi_probe_gsi();
+       if (nr > nr_irqs_gsi) {
                nr_irqs_gsi = nr;
+       } else {
+               /* for acpi=off or acpi is not compiled in */
+               int idx;
+
+               nr = 0;
+               for (idx = 0; idx < nr_ioapics; idx++)
+                       nr += io_apic_get_redir_entries(idx) + 1;
+
+               if (nr > nr_irqs_gsi)
+                       nr_irqs_gsi = nr;
+       }
+
+       printk(KERN_DEBUG "nr_irqs_gsi: %d\n", nr_irqs_gsi);
 }
 
 #ifdef CONFIG_SPARSE_IRQ