Commit 3e77a3f7 authored Sep 16, 2009 by Andi Kleen Committed by Jesse Barnes Sep 17, 2009

PCI: Disable AER with pci=nomsi



When booting with pci=nomsi aer causes lost interrupts and
lockdep inversions.

So check if MSIs are not disabled before initializing the aer
driver.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

parent 7557b5d6

drivers/pci/pcie/aer/aerdrv.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -318,6 +318,8 @@ static int __init aer_service_init(void)
		{
		if (pcie_aer_disable)
		return -ENXIO;
		if (!pci_msi_enabled())
		return -ENXIO;
		return pcie_port_service_register(&aerdriver);
		}