1 files changed, 15 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 89cd417651e0..4ec75c06bca4 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -622,6 +622,17 @@ running once the system is up.
         ips=            [HW,SCSI] Adaptec / IBM ServeRAID controller
                         See header of drivers/scsi/ips.c.
 
+        irqfixup        [HW]
+                        When an interrupt is not handled search all handlers
+                        for it. Intended to get systems with badly broken
+                        firmware running.
+
+        irqpoll         [HW]
+                        When an interrupt is not handled search all handlers
+                        for it. Also check all handlers each timer
+                        interrupt. Intended to get systems with badly broken
+                        firmware running.
+
         isapnp=         [ISAPNP]
                         Format: <RDP>, <reset>, <pci_scan>, <verbosity>
 
@@ -1030,6 +1041,10 @@ running once the system is up.
                 irqmask=0xMMMM          [IA-32] Set a bit mask of IRQs allowed to be assigned
                                         automatically to PCI devices. You can make the kernel
                                         exclude IRQs of your ISA cards this way.
+                pirqaddr=0xAAAAA        [IA-32] Specify the physical address
+                                        of the PIRQ table (normally generated
+                                        by the BIOS) if it is outside the
+                                        F0000h-100000h range.
                 lastbus=N               [IA-32] Scan all buses till bus #N. Can be useful
                                         if the kernel is unable to find your secondary buses
                                         and you want to tell it explicitly which ones they are.