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-rw-r--r--drivers/pci/Kconfig4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index d3dcce815d15..4d762fc4878c 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -11,6 +11,10 @@ config PCI_MSI
generate an interrupt using an inbound Memory Write on its
PCI bus instead of asserting a device IRQ pin.
+ Use of PCI MSI interrupts can be disabled at kernel boot time
+ by using the 'pci=nomsi' option. This disables MSI for the
+ entire system.
+
If you don't know what to do here, say N.
config PCI_DEBUG