diff options
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r-- | Documentation/kernel-parameters.txt | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index a2d8805c03d5..0b3f6711d2f1 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
@@ -469,8 +469,8 @@ and is between 256 and 4096 characters. It is defined in the file | |||
469 | 469 | ||
470 | clearcpuid=BITNUM [X86] | 470 | clearcpuid=BITNUM [X86] |
471 | Disable CPUID feature X for the kernel. See | 471 | Disable CPUID feature X for the kernel. See |
472 | include/asm-x86/cpufeature.h for the valid bit numbers. | 472 | arch/x86/include/asm/cpufeature.h for the valid bit |
473 | Note the Linux specific bits are not necessarily | 473 | numbers. Note the Linux specific bits are not necessarily |
474 | stable over kernel options, but the vendor specific | 474 | stable over kernel options, but the vendor specific |
475 | ones should be. | 475 | ones should be. |
476 | Also note that user programs calling CPUID directly | 476 | Also note that user programs calling CPUID directly |
@@ -551,6 +551,11 @@ and is between 256 and 4096 characters. It is defined in the file | |||
551 | not work reliably with all consoles, but is known | 551 | not work reliably with all consoles, but is known |
552 | to work with serial and VGA consoles. | 552 | to work with serial and VGA consoles. |
553 | 553 | ||
554 | coredump_filter= | ||
555 | [KNL] Change the default value for | ||
556 | /proc/<pid>/coredump_filter. | ||
557 | See also Documentation/filesystems/proc.txt. | ||
558 | |||
554 | cpcihp_generic= [HW,PCI] Generic port I/O CompactPCI driver | 559 | cpcihp_generic= [HW,PCI] Generic port I/O CompactPCI driver |
555 | Format: | 560 | Format: |
556 | <first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>] | 561 | <first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>] |
@@ -1117,6 +1122,8 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1117 | If there are multiple matching configurations changing | 1122 | If there are multiple matching configurations changing |
1118 | the same attribute, the last one is used. | 1123 | the same attribute, the last one is used. |
1119 | 1124 | ||
1125 | lmb=debug [KNL] Enable lmb debug messages. | ||
1126 | |||
1120 | load_ramdisk= [RAM] List of ramdisks to load from floppy | 1127 | load_ramdisk= [RAM] List of ramdisks to load from floppy |
1121 | See Documentation/blockdev/ramdisk.txt. | 1128 | See Documentation/blockdev/ramdisk.txt. |
1122 | 1129 | ||
@@ -1569,6 +1576,10 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1569 | 1576 | ||
1570 | nr_uarts= [SERIAL] maximum number of UARTs to be registered. | 1577 | nr_uarts= [SERIAL] maximum number of UARTs to be registered. |
1571 | 1578 | ||
1579 | ohci1394_dma=early [HW] enable debugging via the ohci1394 driver. | ||
1580 | See Documentation/debugging-via-ohci1394.txt for more | ||
1581 | info. | ||
1582 | |||
1572 | olpc_ec_timeout= [OLPC] ms delay when issuing EC commands | 1583 | olpc_ec_timeout= [OLPC] ms delay when issuing EC commands |
1573 | Rather than timing out after 20 ms if an EC | 1584 | Rather than timing out after 20 ms if an EC |
1574 | command is not properly ACKed, override the length | 1585 | command is not properly ACKed, override the length |
@@ -1793,10 +1804,10 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1793 | autoconfiguration. | 1804 | autoconfiguration. |
1794 | Ranges are in pairs (memory base and size). | 1805 | Ranges are in pairs (memory base and size). |
1795 | 1806 | ||
1796 | dynamic_printk | 1807 | dynamic_printk Enables pr_debug()/dev_dbg() calls if |
1797 | Enables pr_debug()/dev_dbg() calls if | 1808 | CONFIG_DYNAMIC_PRINTK_DEBUG has been enabled. |
1798 | CONFIG_DYNAMIC_PRINTK_DEBUG has been enabled. These can also | 1809 | These can also be switched on/off via |
1799 | be switched on/off via <debugfs>/dynamic_printk/modules | 1810 | <debugfs>/dynamic_printk/modules |
1800 | 1811 | ||
1801 | print-fatal-signals= | 1812 | print-fatal-signals= |
1802 | [KNL] debug: print fatal signals | 1813 | [KNL] debug: print fatal signals |
@@ -1884,7 +1895,7 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1884 | 1895 | ||
1885 | reboot= [BUGS=X86-32,BUGS=ARM,BUGS=IA-64] Rebooting mode | 1896 | reboot= [BUGS=X86-32,BUGS=ARM,BUGS=IA-64] Rebooting mode |
1886 | Format: <reboot_mode>[,<reboot_mode2>[,...]] | 1897 | Format: <reboot_mode>[,<reboot_mode2>[,...]] |
1887 | See arch/*/kernel/reboot.c or arch/*/kernel/process.c | 1898 | See arch/*/kernel/reboot.c or arch/*/kernel/process.c |
1888 | 1899 | ||
1889 | relax_domain_level= | 1900 | relax_domain_level= |
1890 | [KNL, SMP] Set scheduler's default relax_domain_level. | 1901 | [KNL, SMP] Set scheduler's default relax_domain_level. |
@@ -2432,8 +2443,8 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2432 | Format: | 2443 | Format: |
2433 | <irq>,<irq_mask>,<io>,<full_duplex>,<do_sound>,<lockup_hack>[,<irq2>[,<irq3>[,<irq4>]]] | 2444 | <irq>,<irq_mask>,<io>,<full_duplex>,<do_sound>,<lockup_hack>[,<irq2>[,<irq3>[,<irq4>]]] |
2434 | 2445 | ||
2435 | norandmaps Don't use address space randomization | 2446 | norandmaps Don't use address space randomization. Equivalent to |
2436 | Equivalent to echo 0 > /proc/sys/kernel/randomize_va_space | 2447 | echo 0 > /proc/sys/kernel/randomize_va_space |
2437 | 2448 | ||
2438 | ______________________________________________________________________ | 2449 | ______________________________________________________________________ |
2439 | 2450 | ||