diff options
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r-- | Documentation/kernel-parameters.txt | 47 |
1 files changed, 44 insertions, 3 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 4f82c856667f..dfb5bef24013 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
@@ -366,6 +366,12 @@ and is between 256 and 4096 characters. It is defined in the file | |||
366 | possible to determine what the correct size should be. | 366 | possible to determine what the correct size should be. |
367 | This option provides an override for these situations. | 367 | This option provides an override for these situations. |
368 | 368 | ||
369 | security= [SECURITY] Choose a security module to enable at boot. | ||
370 | If this boot parameter is not specified, only the first | ||
371 | security module asking for security registration will be | ||
372 | loaded. An invalid security module name will be treated | ||
373 | as if no module has been chosen. | ||
374 | |||
369 | capability.disable= | 375 | capability.disable= |
370 | [SECURITY] Disable capabilities. This would normally | 376 | [SECURITY] Disable capabilities. This would normally |
371 | be used only if an alternative security model is to be | 377 | be used only if an alternative security model is to be |
@@ -763,11 +769,11 @@ and is between 256 and 4096 characters. It is defined in the file | |||
763 | Format: <io>[,<membase>[,<icn_id>[,<icn_id2>]]] | 769 | Format: <io>[,<membase>[,<icn_id>[,<icn_id2>]]] |
764 | 770 | ||
765 | ide= [HW] (E)IDE subsystem | 771 | ide= [HW] (E)IDE subsystem |
766 | Format: ide=nodma or ide=doubler or ide=reverse | 772 | Format: ide=nodma or ide=doubler |
767 | See Documentation/ide/ide.txt. | 773 | See Documentation/ide/ide.txt. |
768 | 774 | ||
769 | ide?= [HW] (E)IDE subsystem | 775 | ide?= [HW] (E)IDE subsystem |
770 | Format: ide?=noprobe or chipset specific parameters. | 776 | Format: ide?=ata66 or chipset specific parameters. |
771 | See Documentation/ide/ide.txt. | 777 | See Documentation/ide/ide.txt. |
772 | 778 | ||
773 | idebus= [HW] (E)IDE subsystem - VLB/PCI bus speed | 779 | idebus= [HW] (E)IDE subsystem - VLB/PCI bus speed |
@@ -812,6 +818,19 @@ and is between 256 and 4096 characters. It is defined in the file | |||
812 | 818 | ||
813 | inttest= [IA64] | 819 | inttest= [IA64] |
814 | 820 | ||
821 | iommu= [x86] | ||
822 | off | ||
823 | force | ||
824 | noforce | ||
825 | biomerge | ||
826 | panic | ||
827 | nopanic | ||
828 | merge | ||
829 | nomerge | ||
830 | forcesac | ||
831 | soft | ||
832 | |||
833 | |||
815 | intel_iommu= [DMAR] Intel IOMMU driver (DMAR) option | 834 | intel_iommu= [DMAR] Intel IOMMU driver (DMAR) option |
816 | off | 835 | off |
817 | Disable intel iommu driver. | 836 | Disable intel iommu driver. |
@@ -928,6 +947,11 @@ and is between 256 and 4096 characters. It is defined in the file | |||
928 | kstack=N [X86-32,X86-64] Print N words from the kernel stack | 947 | kstack=N [X86-32,X86-64] Print N words from the kernel stack |
929 | in oops dumps. | 948 | in oops dumps. |
930 | 949 | ||
950 | kgdboc= [HW] kgdb over consoles. | ||
951 | Requires a tty driver that supports console polling. | ||
952 | (only serial suported for now) | ||
953 | Format: <serial_device>[,baud] | ||
954 | |||
931 | l2cr= [PPC] | 955 | l2cr= [PPC] |
932 | 956 | ||
933 | l3cr= [PPC] | 957 | l3cr= [PPC] |
@@ -1136,6 +1160,11 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1136 | or | 1160 | or |
1137 | memmap=0x10000$0x18690000 | 1161 | memmap=0x10000$0x18690000 |
1138 | 1162 | ||
1163 | memtest= [KNL,X86_64] Enable memtest | ||
1164 | Format: <integer> | ||
1165 | range: 0,4 : pattern number | ||
1166 | default : 0 <disable> | ||
1167 | |||
1139 | meye.*= [HW] Set MotionEye Camera parameters | 1168 | meye.*= [HW] Set MotionEye Camera parameters |
1140 | See Documentation/video4linux/meye.txt. | 1169 | See Documentation/video4linux/meye.txt. |
1141 | 1170 | ||
@@ -1253,8 +1282,16 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1253 | noexec [IA-64] | 1282 | noexec [IA-64] |
1254 | 1283 | ||
1255 | noexec [X86-32,X86-64] | 1284 | noexec [X86-32,X86-64] |
1285 | On X86-32 available only on PAE configured kernels. | ||
1256 | noexec=on: enable non-executable mappings (default) | 1286 | noexec=on: enable non-executable mappings (default) |
1257 | noexec=off: disable nn-executable mappings | 1287 | noexec=off: disable non-executable mappings |
1288 | |||
1289 | noexec32 [X86-64] | ||
1290 | This affects only 32-bit executables. | ||
1291 | noexec32=on: enable non-executable mappings (default) | ||
1292 | read doesn't imply executable mappings | ||
1293 | noexec32=off: disable non-executable mappings | ||
1294 | read implies executable mappings | ||
1258 | 1295 | ||
1259 | nofxsr [BUGS=X86-32] Disables x86 floating point extended | 1296 | nofxsr [BUGS=X86-32] Disables x86 floating point extended |
1260 | register save and restore. The kernel will only save | 1297 | register save and restore. The kernel will only save |
@@ -1341,6 +1378,10 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1341 | 1378 | ||
1342 | nowb [ARM] | 1379 | nowb [ARM] |
1343 | 1380 | ||
1381 | nptcg= [IA64] Override max number of concurrent global TLB | ||
1382 | purges which is reported from either PAL_VM_SUMMARY or | ||
1383 | SAL PALO. | ||
1384 | |||
1344 | numa_zonelist_order= [KNL, BOOT] Select zonelist order for NUMA. | 1385 | numa_zonelist_order= [KNL, BOOT] Select zonelist order for NUMA. |
1345 | one of ['zone', 'node', 'default'] can be specified | 1386 | one of ['zone', 'node', 'default'] can be specified |
1346 | This can be set from sysctl after boot. | 1387 | This can be set from sysctl after boot. |