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-rw-r--r--Documentation/kernel-parameters.txt37
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