diff options
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r-- | Documentation/kernel-parameters.txt | 147 |
1 files changed, 118 insertions, 29 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 736d45602886..2b2407d9a6d0 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
@@ -54,9 +54,11 @@ parameter is applicable: | |||
54 | IMA Integrity measurement architecture is enabled. | 54 | IMA Integrity measurement architecture is enabled. |
55 | IOSCHED More than one I/O scheduler is enabled. | 55 | IOSCHED More than one I/O scheduler is enabled. |
56 | IP_PNP IP DHCP, BOOTP, or RARP is enabled. | 56 | IP_PNP IP DHCP, BOOTP, or RARP is enabled. |
57 | IPV6 IPv6 support is enabled. | ||
57 | ISAPNP ISA PnP code is enabled. | 58 | ISAPNP ISA PnP code is enabled. |
58 | ISDN Appropriate ISDN support is enabled. | 59 | ISDN Appropriate ISDN support is enabled. |
59 | JOY Appropriate joystick support is enabled. | 60 | JOY Appropriate joystick support is enabled. |
61 | KGDB Kernel debugger support is enabled. | ||
60 | KVM Kernel Virtual Machine support is enabled. | 62 | KVM Kernel Virtual Machine support is enabled. |
61 | LIBATA Libata driver is enabled | 63 | LIBATA Libata driver is enabled |
62 | LP Printer support is enabled. | 64 | LP Printer support is enabled. |
@@ -98,6 +100,7 @@ parameter is applicable: | |||
98 | SWSUSP Software suspend (hibernation) is enabled. | 100 | SWSUSP Software suspend (hibernation) is enabled. |
99 | SUSPEND System suspend states are enabled. | 101 | SUSPEND System suspend states are enabled. |
100 | FTRACE Function tracing enabled. | 102 | FTRACE Function tracing enabled. |
103 | TPM TPM drivers are enabled. | ||
101 | TS Appropriate touchscreen support is enabled. | 104 | TS Appropriate touchscreen support is enabled. |
102 | UMS USB Mass Storage support is enabled. | 105 | UMS USB Mass Storage support is enabled. |
103 | USB USB support is enabled. | 106 | USB USB support is enabled. |
@@ -142,14 +145,14 @@ and is between 256 and 4096 characters. It is defined in the file | |||
142 | 145 | ||
143 | acpi= [HW,ACPI,X86] | 146 | acpi= [HW,ACPI,X86] |
144 | Advanced Configuration and Power Interface | 147 | Advanced Configuration and Power Interface |
145 | Format: { force | off | ht | strict | noirq | rsdt } | 148 | Format: { force | off | strict | noirq | rsdt } |
146 | force -- enable ACPI if default was off | 149 | force -- enable ACPI if default was off |
147 | off -- disable ACPI if default was on | 150 | off -- disable ACPI if default was on |
148 | noirq -- do not use ACPI for IRQ routing | 151 | noirq -- do not use ACPI for IRQ routing |
149 | ht -- run only enough ACPI to enable Hyper Threading | ||
150 | strict -- Be less tolerant of platforms that are not | 152 | strict -- Be less tolerant of platforms that are not |
151 | strictly ACPI specification compliant. | 153 | strictly ACPI specification compliant. |
152 | rsdt -- prefer RSDT over (default) XSDT | 154 | rsdt -- prefer RSDT over (default) XSDT |
155 | copy_dsdt -- copy DSDT to memory | ||
153 | 156 | ||
154 | See also Documentation/power/pm.txt, pci=noacpi | 157 | See also Documentation/power/pm.txt, pci=noacpi |
155 | 158 | ||
@@ -251,8 +254,8 @@ and is between 256 and 4096 characters. It is defined in the file | |||
251 | control method, with respect to putting devices into | 254 | control method, with respect to putting devices into |
252 | low power states, to be enforced (the ACPI 2.0 ordering | 255 | low power states, to be enforced (the ACPI 2.0 ordering |
253 | of _PTS is used by default). | 256 | of _PTS is used by default). |
254 | s4_nonvs prevents the kernel from saving/restoring the | 257 | nonvs prevents the kernel from saving/restoring the |
255 | ACPI NVS memory during hibernation. | 258 | ACPI NVS memory during suspend/hibernation and resume. |
256 | sci_force_enable causes the kernel to set SCI_EN directly | 259 | sci_force_enable causes the kernel to set SCI_EN directly |
257 | on resume from S1/S3 (which is against the ACPI spec, | 260 | on resume from S1/S3 (which is against the ACPI spec, |
258 | but some broken systems don't work without it). | 261 | but some broken systems don't work without it). |
@@ -286,9 +289,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
286 | advansys= [HW,SCSI] | 289 | advansys= [HW,SCSI] |
287 | See header of drivers/scsi/advansys.c. | 290 | See header of drivers/scsi/advansys.c. |
288 | 291 | ||
289 | advwdt= [HW,WDT] Advantech WDT | ||
290 | Format: <iostart>,<iostop> | ||
291 | |||
292 | aedsp16= [HW,OSS] Audio Excel DSP 16 | 292 | aedsp16= [HW,OSS] Audio Excel DSP 16 |
293 | Format: <io>,<irq>,<dma>,<mss_io>,<mpu_io>,<mpu_irq> | 293 | Format: <io>,<irq>,<dma>,<mss_io>,<mpu_io>,<mpu_irq> |
294 | See also header of sound/oss/aedsp16.c. | 294 | See also header of sound/oss/aedsp16.c. |
@@ -311,18 +311,20 @@ and is between 256 and 4096 characters. It is defined in the file | |||
311 | aic79xx= [HW,SCSI] | 311 | aic79xx= [HW,SCSI] |
312 | See Documentation/scsi/aic79xx.txt. | 312 | See Documentation/scsi/aic79xx.txt. |
313 | 313 | ||
314 | alignment= [KNL,ARM] | ||
315 | Allow the default userspace alignment fault handler | ||
316 | behaviour to be specified. Bit 0 enables warnings, | ||
317 | bit 1 enables fixups, and bit 2 sends a segfault. | ||
318 | |||
314 | amd_iommu= [HW,X86-84] | 319 | amd_iommu= [HW,X86-84] |
315 | Pass parameters to the AMD IOMMU driver in the system. | 320 | Pass parameters to the AMD IOMMU driver in the system. |
316 | Possible values are: | 321 | Possible values are: |
317 | isolate - enable device isolation (each device, as far | ||
318 | as possible, will get its own protection | ||
319 | domain) [default] | ||
320 | share - put every device behind one IOMMU into the | ||
321 | same protection domain | ||
322 | fullflush - enable flushing of IO/TLB entries when | 322 | fullflush - enable flushing of IO/TLB entries when |
323 | they are unmapped. Otherwise they are | 323 | they are unmapped. Otherwise they are |
324 | flushed before they will be reused, which | 324 | flushed before they will be reused, which |
325 | is a lot of faster | 325 | is a lot of faster |
326 | off - do not initialize any AMD IOMMU found in | ||
327 | the system | ||
326 | 328 | ||
327 | amijoy.map= [HW,JOY] Amiga joystick support | 329 | amijoy.map= [HW,JOY] Amiga joystick support |
328 | Map of devices attached to JOY0DAT and JOY1DAT | 330 | Map of devices attached to JOY0DAT and JOY1DAT |
@@ -347,6 +349,9 @@ and is between 256 and 4096 characters. It is defined in the file | |||
347 | Change the amount of debugging information output | 349 | Change the amount of debugging information output |
348 | when initialising the APIC and IO-APIC components. | 350 | when initialising the APIC and IO-APIC components. |
349 | 351 | ||
352 | autoconf= [IPV6] | ||
353 | See Documentation/networking/ipv6.txt. | ||
354 | |||
350 | show_lapic= [APIC,X86] Advanced Programmable Interrupt Controller | 355 | show_lapic= [APIC,X86] Advanced Programmable Interrupt Controller |
351 | Limit apic dumping. The parameter defines the maximal | 356 | Limit apic dumping. The parameter defines the maximal |
352 | number of local apics being dumped. Also it is possible | 357 | number of local apics being dumped. Also it is possible |
@@ -629,6 +634,12 @@ and is between 256 and 4096 characters. It is defined in the file | |||
629 | See drivers/char/README.epca and | 634 | See drivers/char/README.epca and |
630 | Documentation/serial/digiepca.txt. | 635 | Documentation/serial/digiepca.txt. |
631 | 636 | ||
637 | disable= [IPV6] | ||
638 | See Documentation/networking/ipv6.txt. | ||
639 | |||
640 | disable_ipv6= [IPV6] | ||
641 | See Documentation/networking/ipv6.txt. | ||
642 | |||
632 | disable_mtrr_cleanup [X86] | 643 | disable_mtrr_cleanup [X86] |
633 | The kernel tries to adjust MTRR layout from continuous | 644 | The kernel tries to adjust MTRR layout from continuous |
634 | to discrete, to make X server driver able to add WB | 645 | to discrete, to make X server driver able to add WB |
@@ -698,6 +709,12 @@ and is between 256 and 4096 characters. It is defined in the file | |||
698 | The VGA output is eventually overwritten by the real | 709 | The VGA output is eventually overwritten by the real |
699 | console. | 710 | console. |
700 | 711 | ||
712 | ekgdboc= [X86,KGDB] Allow early kernel console debugging | ||
713 | ekgdboc=kbd | ||
714 | |||
715 | This is desgined to be used in conjunction with | ||
716 | the boot argument: earlyprintk=vga | ||
717 | |||
701 | eata= [HW,SCSI] | 718 | eata= [HW,SCSI] |
702 | 719 | ||
703 | edd= [EDD] | 720 | edd= [EDD] |
@@ -740,13 +757,14 @@ and is between 256 and 4096 characters. It is defined in the file | |||
740 | Default value is 0. | 757 | Default value is 0. |
741 | Value can be changed at runtime via /selinux/enforce. | 758 | Value can be changed at runtime via /selinux/enforce. |
742 | 759 | ||
760 | erst_disable [ACPI] | ||
761 | Disable Error Record Serialization Table (ERST) | ||
762 | support. | ||
763 | |||
743 | ether= [HW,NET] Ethernet cards parameters | 764 | ether= [HW,NET] Ethernet cards parameters |
744 | This option is obsoleted by the "netdev=" option, which | 765 | This option is obsoleted by the "netdev=" option, which |
745 | has equivalent usage. See its documentation for details. | 766 | has equivalent usage. See its documentation for details. |
746 | 767 | ||
747 | eurwdt= [HW,WDT] Eurotech CPU-1220/1410 onboard watchdog. | ||
748 | Format: <io>[,<irq>] | ||
749 | |||
750 | failslab= | 768 | failslab= |
751 | fail_page_alloc= | 769 | fail_page_alloc= |
752 | fail_make_request=[KNL] | 770 | fail_make_request=[KNL] |
@@ -774,8 +792,12 @@ and is between 256 and 4096 characters. It is defined in the file | |||
774 | as early as possible in order to facilitate early | 792 | as early as possible in order to facilitate early |
775 | boot debugging. | 793 | boot debugging. |
776 | 794 | ||
777 | ftrace_dump_on_oops | 795 | ftrace_dump_on_oops[=orig_cpu] |
778 | [FTRACE] will dump the trace buffers on oops. | 796 | [FTRACE] will dump the trace buffers on oops. |
797 | If no parameter is passed, ftrace will dump | ||
798 | buffers of all CPUs, but if you pass orig_cpu, it will | ||
799 | dump only the buffer of the CPU that triggered the | ||
800 | oops. | ||
779 | 801 | ||
780 | ftrace_filter=[function-list] | 802 | ftrace_filter=[function-list] |
781 | [FTRACE] Limit the functions traced by the function | 803 | [FTRACE] Limit the functions traced by the function |
@@ -833,6 +855,11 @@ and is between 256 and 4096 characters. It is defined in the file | |||
833 | hd= [EIDE] (E)IDE hard drive subsystem geometry | 855 | hd= [EIDE] (E)IDE hard drive subsystem geometry |
834 | Format: <cyl>,<head>,<sect> | 856 | Format: <cyl>,<head>,<sect> |
835 | 857 | ||
858 | hest_disable [ACPI] | ||
859 | Disable Hardware Error Source Table (HEST) support; | ||
860 | corresponding firmware-first mode error processing | ||
861 | logic will be disabled. | ||
862 | |||
836 | highmem=nn[KMG] [KNL,BOOT] forces the highmem zone to have an exact | 863 | highmem=nn[KMG] [KNL,BOOT] forces the highmem zone to have an exact |
837 | size of <nn>. This works even on boxes that have no | 864 | size of <nn>. This works even on boxes that have no |
838 | highmem otherwise. This also works to reduce highmem | 865 | highmem otherwise. This also works to reduce highmem |
@@ -1102,10 +1129,26 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1102 | use the HighMem zone if it exists, and the Normal | 1129 | use the HighMem zone if it exists, and the Normal |
1103 | zone if it does not. | 1130 | zone if it does not. |
1104 | 1131 | ||
1105 | kgdboc= [HW] kgdb over consoles. | 1132 | kgdbdbgp= [KGDB,HW] kgdb over EHCI usb debug port. |
1106 | Requires a tty driver that supports console polling. | 1133 | Format: <Controller#>[,poll interval] |
1107 | (only serial supported for now) | 1134 | The controller # is the number of the ehci usb debug |
1108 | Format: <serial_device>[,baud] | 1135 | port as it is probed via PCI. The poll interval is |
1136 | optional and is the number seconds in between | ||
1137 | each poll cycle to the debug port in case you need | ||
1138 | the functionality for interrupting the kernel with | ||
1139 | gdb or control-c on the dbgp connection. When | ||
1140 | not using this parameter you use sysrq-g to break into | ||
1141 | the kernel debugger. | ||
1142 | |||
1143 | kgdboc= [KGDB,HW] kgdb over consoles. | ||
1144 | Requires a tty driver that supports console polling, | ||
1145 | or a supported polling keyboard driver (non-usb). | ||
1146 | Serial only format: <serial_device>[,baud] | ||
1147 | keyboard only format: kbd | ||
1148 | keyboard and serial format: kbd,<serial_device>[,baud] | ||
1149 | |||
1150 | kgdbwait [KGDB] Stop kernel execution and enter the | ||
1151 | kernel debugger at the earliest opportunity. | ||
1109 | 1152 | ||
1110 | kmac= [MIPS] korina ethernet MAC address. | 1153 | kmac= [MIPS] korina ethernet MAC address. |
1111 | Configure the RouterBoard 532 series on-chip | 1154 | Configure the RouterBoard 532 series on-chip |
@@ -1184,7 +1227,7 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1184 | 1227 | ||
1185 | libata.force= [LIBATA] Force configurations. The format is comma | 1228 | libata.force= [LIBATA] Force configurations. The format is comma |
1186 | separated list of "[ID:]VAL" where ID is | 1229 | separated list of "[ID:]VAL" where ID is |
1187 | PORT[:DEVICE]. PORT and DEVICE are decimal numbers | 1230 | PORT[.DEVICE]. PORT and DEVICE are decimal numbers |
1188 | matching port, link or device. Basically, it matches | 1231 | matching port, link or device. Basically, it matches |
1189 | the ATA ID string printed on console by libata. If | 1232 | the ATA ID string printed on console by libata. If |
1190 | the whole ID part is omitted, the last PORT and DEVICE | 1233 | the whole ID part is omitted, the last PORT and DEVICE |
@@ -1217,10 +1260,12 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1217 | * nohrst, nosrst, norst: suppress hard, soft | 1260 | * nohrst, nosrst, norst: suppress hard, soft |
1218 | and both resets. | 1261 | and both resets. |
1219 | 1262 | ||
1263 | * dump_id: dump IDENTIFY data. | ||
1264 | |||
1220 | If there are multiple matching configurations changing | 1265 | If there are multiple matching configurations changing |
1221 | the same attribute, the last one is used. | 1266 | the same attribute, the last one is used. |
1222 | 1267 | ||
1223 | lmb=debug [KNL] Enable lmb debug messages. | 1268 | memblock=debug [KNL] Enable memblock debug messages. |
1224 | 1269 | ||
1225 | load_ramdisk= [RAM] List of ramdisks to load from floppy | 1270 | load_ramdisk= [RAM] List of ramdisks to load from floppy |
1226 | See Documentation/blockdev/ramdisk.txt. | 1271 | See Documentation/blockdev/ramdisk.txt. |
@@ -1729,6 +1774,9 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1729 | nomfgpt [X86-32] Disable Multi-Function General Purpose | 1774 | nomfgpt [X86-32] Disable Multi-Function General Purpose |
1730 | Timer usage (for AMD Geode machines). | 1775 | Timer usage (for AMD Geode machines). |
1731 | 1776 | ||
1777 | nopat [X86] Disable PAT (page attribute table extension of | ||
1778 | pagetables) support. | ||
1779 | |||
1732 | norandmaps Don't use address space randomization. Equivalent to | 1780 | norandmaps Don't use address space randomization. Equivalent to |
1733 | echo 0 > /proc/sys/kernel/randomize_va_space | 1781 | echo 0 > /proc/sys/kernel/randomize_va_space |
1734 | 1782 | ||
@@ -1772,6 +1820,12 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1772 | purges which is reported from either PAL_VM_SUMMARY or | 1820 | purges which is reported from either PAL_VM_SUMMARY or |
1773 | SAL PALO. | 1821 | SAL PALO. |
1774 | 1822 | ||
1823 | nr_cpus= [SMP] Maximum number of processors that an SMP kernel | ||
1824 | could support. nr_cpus=n : n >= 1 limits the kernel to | ||
1825 | supporting 'n' processors. Later in runtime you can not | ||
1826 | use hotplug cpu feature to put more cpu back to online. | ||
1827 | just like you compile the kernel NR_CPUS=n | ||
1828 | |||
1775 | nr_uarts= [SERIAL] maximum number of UARTs to be registered. | 1829 | nr_uarts= [SERIAL] maximum number of UARTs to be registered. |
1776 | 1830 | ||
1777 | numa_zonelist_order= [KNL, BOOT] Select zonelist order for NUMA. | 1831 | numa_zonelist_order= [KNL, BOOT] Select zonelist order for NUMA. |
@@ -1939,8 +1993,12 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1939 | IRQ routing is enabled. | 1993 | IRQ routing is enabled. |
1940 | noacpi [X86] Do not use ACPI for IRQ routing | 1994 | noacpi [X86] Do not use ACPI for IRQ routing |
1941 | or for PCI scanning. | 1995 | or for PCI scanning. |
1942 | use_crs [X86] Use _CRS for PCI resource | 1996 | use_crs [X86] Use PCI host bridge window information |
1943 | allocation. | 1997 | from ACPI. On BIOSes from 2008 or later, this |
1998 | is enabled by default. If you need to use this, | ||
1999 | please report a bug. | ||
2000 | nocrs [X86] Ignore PCI host bridge windows from ACPI. | ||
2001 | If you need to use this, please report a bug. | ||
1944 | routeirq Do IRQ routing for all PCI devices. | 2002 | routeirq Do IRQ routing for all PCI devices. |
1945 | This is normally done in pci_enable_device(), | 2003 | This is normally done in pci_enable_device(), |
1946 | so this option is a temporary workaround | 2004 | so this option is a temporary workaround |
@@ -1989,6 +2047,16 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1989 | force Enable ASPM even on devices that claim not to support it. | 2047 | force Enable ASPM even on devices that claim not to support it. |
1990 | WARNING: Forcing ASPM on may cause system lockups. | 2048 | WARNING: Forcing ASPM on may cause system lockups. |
1991 | 2049 | ||
2050 | pcie_pme= [PCIE,PM] Native PCIe PME signaling options: | ||
2051 | Format: {auto|force}[,nomsi] | ||
2052 | auto Use native PCIe PME signaling if the BIOS allows the | ||
2053 | kernel to control PCIe config registers of root ports. | ||
2054 | force Use native PCIe PME signaling even if the BIOS refuses | ||
2055 | to allow the kernel to control the relevant PCIe config | ||
2056 | registers. | ||
2057 | nomsi Do not use MSI for native PCIe PME signaling (this makes | ||
2058 | all PCIe root ports use INTx for everything). | ||
2059 | |||
1992 | pcmv= [HW,PCMCIA] BadgePAD 4 | 2060 | pcmv= [HW,PCMCIA] BadgePAD 4 |
1993 | 2061 | ||
1994 | pd. [PARIDE] | 2062 | pd. [PARIDE] |
@@ -2205,9 +2273,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2205 | 2273 | ||
2206 | sched_debug [KNL] Enables verbose scheduler debug messages. | 2274 | sched_debug [KNL] Enables verbose scheduler debug messages. |
2207 | 2275 | ||
2208 | sc1200wdt= [HW,WDT] SC1200 WDT (watchdog) driver | ||
2209 | Format: <io>[,<timeout>[,<isapnp>]] | ||
2210 | |||
2211 | scsi_debug_*= [SCSI] | 2276 | scsi_debug_*= [SCSI] |
2212 | See drivers/scsi/scsi_debug.c. | 2277 | See drivers/scsi/scsi_debug.c. |
2213 | 2278 | ||
@@ -2579,6 +2644,15 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2579 | 2644 | ||
2580 | tp720= [HW,PS2] | 2645 | tp720= [HW,PS2] |
2581 | 2646 | ||
2647 | tpm_suspend_pcr=[HW,TPM] | ||
2648 | Format: integer pcr id | ||
2649 | Specify that at suspend time, the tpm driver | ||
2650 | should extend the specified pcr with zeros, | ||
2651 | as a workaround for some chips which fail to | ||
2652 | flush the last written pcr on TPM_SaveState. | ||
2653 | This will guarantee that all the other pcrs | ||
2654 | are saved. | ||
2655 | |||
2582 | trace_buf_size=nn[KMG] | 2656 | trace_buf_size=nn[KMG] |
2583 | [FTRACE] will set tracing buffer size. | 2657 | [FTRACE] will set tracing buffer size. |
2584 | 2658 | ||
@@ -2694,6 +2768,13 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2694 | medium is write-protected). | 2768 | medium is write-protected). |
2695 | Example: quirks=0419:aaf5:rl,0421:0433:rc | 2769 | Example: quirks=0419:aaf5:rl,0421:0433:rc |
2696 | 2770 | ||
2771 | userpte= | ||
2772 | [X86] Flags controlling user PTE allocations. | ||
2773 | |||
2774 | nohigh = do not allocate PTE pages in | ||
2775 | HIGHMEM regardless of setting | ||
2776 | of CONFIG_HIGHPTE. | ||
2777 | |||
2697 | vdso= [X86,SH] | 2778 | vdso= [X86,SH] |
2698 | vdso=2: enable compat VDSO (default with COMPAT_VDSO) | 2779 | vdso=2: enable compat VDSO (default with COMPAT_VDSO) |
2699 | vdso=1: enable VDSO (default) | 2780 | vdso=1: enable VDSO (default) |
@@ -2780,13 +2861,21 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2780 | wd7000= [HW,SCSI] | 2861 | wd7000= [HW,SCSI] |
2781 | See header of drivers/scsi/wd7000.c. | 2862 | See header of drivers/scsi/wd7000.c. |
2782 | 2863 | ||
2783 | wdt= [WDT] Watchdog | 2864 | watchdog timers [HW,WDT] For information on watchdog timers, |
2784 | See Documentation/watchdog/wdt.txt. | 2865 | see Documentation/watchdog/watchdog-parameters.txt |
2866 | or other driver-specific files in the | ||
2867 | Documentation/watchdog/ directory. | ||
2785 | 2868 | ||
2786 | x2apic_phys [X86-64,APIC] Use x2apic physical mode instead of | 2869 | x2apic_phys [X86-64,APIC] Use x2apic physical mode instead of |
2787 | default x2apic cluster mode on platforms | 2870 | default x2apic cluster mode on platforms |
2788 | supporting x2apic. | 2871 | supporting x2apic. |
2789 | 2872 | ||
2873 | x86_mrst_timer= [X86-32,APBT] | ||
2874 | Choose timer option for x86 Moorestown MID platform. | ||
2875 | Two valid options are apbt timer only and lapic timer | ||
2876 | plus one apbt timer for broadcast timer. | ||
2877 | x86_mrst_timer=apbt_only | lapic_and_apbt | ||
2878 | |||
2790 | xd= [HW,XT] Original XT pre-IDE (RLL encoded) disks. | 2879 | xd= [HW,XT] Original XT pre-IDE (RLL encoded) disks. |
2791 | xd_geo= See header of drivers/block/xd.c. | 2880 | xd_geo= See header of drivers/block/xd.c. |
2792 | 2881 | ||