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authorIngo Molnar <mingo@elte.hu>2008-11-18 16:48:49 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-18 16:48:49 +0100
commit73f56c0d35e6427081a4eabd620d8b8d8a35bd09 (patch)
tree9fe1a2577baea03f3a6ec4a5e79f3ff26c4ee0ae /drivers/acpi/pci_link.c
parent0af40a4b1050c050e62eb1dc30b82d5ab22bf221 (diff)
parent8501c45cc32c311ae755a2d5ac8c4a5f04908d42 (diff)
downloadop-kernel-dev-73f56c0d35e6427081a4eabd620d8b8d8a35bd09.zip
op-kernel-dev-73f56c0d35e6427081a4eabd620d8b8d8a35bd09.tar.gz
Merge branch 'iommu-fixes-2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent
Diffstat (limited to 'drivers/acpi/pci_link.c')
-rw-r--r--drivers/acpi/pci_link.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index fcfdef7..e52ad91 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -531,7 +531,7 @@ int __init acpi_irq_penalty_init(void)
return 0;
}
-static int acpi_irq_balance; /* 0: static, 1: balance */
+static int acpi_irq_balance = -1; /* 0: static, 1: balance */
static int acpi_pci_link_allocate(struct acpi_pci_link *link)
{
@@ -950,10 +950,17 @@ device_initcall(irqrouter_init_sysfs);
static int __init acpi_pci_link_init(void)
{
-
if (acpi_noirq)
return 0;
+ if (acpi_irq_balance == -1) {
+ /* no command line switch: enable balancing in IOAPIC mode */
+ if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC)
+ acpi_irq_balance = 1;
+ else
+ acpi_irq_balance = 0;
+ }
+
acpi_link.count = 0;
INIT_LIST_HEAD(&acpi_link.entries);
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