Merge refs/heads/for-linus from master.kernel.org:/pub/scm/linux/kernel/git/shaggy...
[sfrench/cifs-2.6.git] / Documentation / kernel-parameters.txt
index 89cd417651e07bbf099cb217f5adfbfec618dd04..3d5cd7a09b2fc1aa56b6c197ee8d35df7116ec4d 100644 (file)
@@ -37,7 +37,7 @@ restrictions referred to are that the relevant option is valid if:
        IA-32   IA-32 aka i386 architecture is enabled.
        IA-64   IA-64 architecture is enabled.
        IOSCHED More than one I/O scheduler is enabled.
-       IP_PNP  IP DCHP, BOOTP, or RARP is enabled.
+       IP_PNP  IP DHCP, BOOTP, or RARP is enabled.
        ISAPNP  ISA PnP code is enabled.
        ISDN    Appropriate ISDN support is enabled.
        JOY     Appropriate joystick support is enabled.
@@ -159,6 +159,11 @@ running once the system is up.
 
        acpi_fake_ecdt  [HW,ACPI] Workaround failure due to BIOS lacking ECDT
 
+       acpi_generic_hotkey [HW,ACPI]
+                       Allow consolidated generic hotkey driver to
+                       over-ride platform specific driver.
+                       See also Documentation/acpi-hotkey.txt.
+
        ad1816=         [HW,OSS]
                        Format: <io>,<irq>,<dma>,<dma2>
                        See also Documentation/sound/oss/AD1816.
@@ -622,6 +627,17 @@ 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>
 
@@ -747,6 +763,9 @@ running once the system is up.
        maxcpus=        [SMP] Maximum number of processors that an SMP kernel
                        should make use of
 
+       max_addr=[KMG]  [KNL,BOOT,ia64] All physical memory greater than or
+                       equal to this physical address is ignored.
+
        max_luns=       [SCSI] Maximum number of LUNs to probe
                        Should be between 1 and 2^32-1.
 
@@ -1030,6 +1049,10 @@ 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.