diff options
Diffstat (limited to 'Documentation/kernel-parameters.txt')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index ad7e2e5088c1..f777fa96243d 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
| @@ -1051,6 +1051,14 @@ bytes respectively. Such letter suffixes can also be entirely omitted. | |||
| 1051 | ihash_entries= [KNL] | 1051 | ihash_entries= [KNL] |
| 1052 | Set number of hash buckets for inode cache. | 1052 | Set number of hash buckets for inode cache. |
| 1053 | 1053 | ||
| 1054 | ima_appraise= [IMA] appraise integrity measurements | ||
| 1055 | Format: { "off" | "enforce" | "fix" } | ||
| 1056 | default: "enforce" | ||
| 1057 | |||
| 1058 | ima_appraise_tcb [IMA] | ||
| 1059 | The builtin appraise policy appraises all files | ||
| 1060 | owned by uid=0. | ||
| 1061 | |||
| 1054 | ima_audit= [IMA] | 1062 | ima_audit= [IMA] |
| 1055 | Format: { "0" | "1" } | 1063 | Format: { "0" | "1" } |
| 1056 | 0 -- integrity auditing messages. (Default) | 1064 | 0 -- integrity auditing messages. (Default) |
| @@ -1350,6 +1358,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted. | |||
| 1350 | * nohrst, nosrst, norst: suppress hard, soft | 1358 | * nohrst, nosrst, norst: suppress hard, soft |
| 1351 | and both resets. | 1359 | and both resets. |
| 1352 | 1360 | ||
| 1361 | * rstonce: only attempt one reset during | ||
| 1362 | hot-unplug link recovery | ||
| 1363 | |||
| 1353 | * dump_id: dump IDENTIFY data. | 1364 | * dump_id: dump IDENTIFY data. |
| 1354 | 1365 | ||
| 1355 | If there are multiple matching configurations changing | 1366 | If there are multiple matching configurations changing |
| @@ -1812,8 +1823,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted. | |||
| 1812 | noexec=on: enable non-executable mappings (default) | 1823 | noexec=on: enable non-executable mappings (default) |
| 1813 | noexec=off: disable non-executable mappings | 1824 | noexec=off: disable non-executable mappings |
| 1814 | 1825 | ||
| 1826 | nosmap [X86] | ||
| 1827 | Disable SMAP (Supervisor Mode Access Prevention) | ||
| 1828 | even if it is supported by processor. | ||
| 1829 | |||
| 1815 | nosmep [X86] | 1830 | nosmep [X86] |
| 1816 | Disable SMEP (Supervisor Mode Execution Protection) | 1831 | Disable SMEP (Supervisor Mode Execution Prevention) |
| 1817 | even if it is supported by processor. | 1832 | even if it is supported by processor. |
| 1818 | 1833 | ||
| 1819 | noexec32 [X86-64] | 1834 | noexec32 [X86-64] |
| @@ -1833,6 +1848,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted. | |||
| 1833 | and restore using xsave. The kernel will fallback to | 1848 | and restore using xsave. The kernel will fallback to |
| 1834 | enabling legacy floating-point and sse state. | 1849 | enabling legacy floating-point and sse state. |
| 1835 | 1850 | ||
| 1851 | eagerfpu= [X86] | ||
| 1852 | on enable eager fpu restore | ||
| 1853 | off disable eager fpu restore | ||
| 1854 | auto selects the default scheme, which automatically | ||
| 1855 | enables eagerfpu restore for xsaveopt. | ||
| 1856 | |||
| 1836 | nohlt [BUGS=ARM,SH] Tells the kernel that the sleep(SH) or | 1857 | nohlt [BUGS=ARM,SH] Tells the kernel that the sleep(SH) or |
| 1837 | wfi(ARM) instruction doesn't work correctly and not to | 1858 | wfi(ARM) instruction doesn't work correctly and not to |
| 1838 | use it. This is also useful when using JTAG debugger. | 1859 | use it. This is also useful when using JTAG debugger. |
| @@ -2385,6 +2406,17 @@ bytes respectively. Such letter suffixes can also be entirely omitted. | |||
| 2385 | rcutree.rcu_cpu_stall_timeout= [KNL,BOOT] | 2406 | rcutree.rcu_cpu_stall_timeout= [KNL,BOOT] |
| 2386 | Set timeout for RCU CPU stall warning messages. | 2407 | Set timeout for RCU CPU stall warning messages. |
| 2387 | 2408 | ||
| 2409 | rcutree.jiffies_till_first_fqs= [KNL,BOOT] | ||
| 2410 | Set delay from grace-period initialization to | ||
| 2411 | first attempt to force quiescent states. | ||
| 2412 | Units are jiffies, minimum value is zero, | ||
| 2413 | and maximum value is HZ. | ||
| 2414 | |||
| 2415 | rcutree.jiffies_till_next_fqs= [KNL,BOOT] | ||
| 2416 | Set delay between subsequent attempts to force | ||
| 2417 | quiescent states. Units are jiffies, minimum | ||
| 2418 | value is one, and maximum value is HZ. | ||
| 2419 | |||
| 2388 | rcutorture.fqs_duration= [KNL,BOOT] | 2420 | rcutorture.fqs_duration= [KNL,BOOT] |
| 2389 | Set duration of force_quiescent_state bursts. | 2421 | Set duration of force_quiescent_state bursts. |
| 2390 | 2422 | ||
| @@ -2638,9 +2670,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted. | |||
| 2638 | smart2= [HW] | 2670 | smart2= [HW] |
| 2639 | Format: <io1>[,<io2>[,...,<io8>]] | 2671 | Format: <io1>[,<io2>[,...,<io8>]] |
| 2640 | 2672 | ||
| 2641 | smp-alt-once [X86-32,SMP] On a hotplug CPU system, only | ||
| 2642 | attempt to substitute SMP alternatives once at boot. | ||
| 2643 | |||
| 2644 | smsc-ircc2.nopnp [HW] Don't use PNP to discover SMC devices | 2673 | smsc-ircc2.nopnp [HW] Don't use PNP to discover SMC devices |
| 2645 | smsc-ircc2.ircc_cfg= [HW] Device configuration I/O port | 2674 | smsc-ircc2.ircc_cfg= [HW] Device configuration I/O port |
| 2646 | smsc-ircc2.ircc_sir= [HW] SIR base I/O port | 2675 | smsc-ircc2.ircc_sir= [HW] SIR base I/O port |
