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author | Jonathan Corbet <corbet@lwn.net> | 2019-01-09 02:38:36 +0300 |
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committer | Jonathan Corbet <corbet@lwn.net> | 2019-01-09 02:38:36 +0300 |
commit | 7c11fcc5ad39ea774853e5b5d8b6158d0b8c6649 (patch) | |
tree | b99bab978ca81d3c796a721dd785bdac8efabfaf /Documentation/sysctl | |
parent | 787d07ed8b2ca726194b461f27fe5785d10add7d (diff) | |
parent | 896dd323abbf6a9980d8aca2656b6c4bf5352c3b (diff) | |
download | linux-7c11fcc5ad39ea774853e5b5d8b6158d0b8c6649.tar.xz |
Merge branch 'thorsten' into docs-next
Diffstat (limited to 'Documentation/sysctl')
-rw-r--r-- | Documentation/sysctl/kernel.txt | 50 |
1 files changed, 22 insertions, 28 deletions
diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt index c0527d8a468a..7a5165ee4280 100644 --- a/Documentation/sysctl/kernel.txt +++ b/Documentation/sysctl/kernel.txt @@ -94,7 +94,7 @@ show up in /proc/sys/kernel: - stop-a [ SPARC only ] - sysrq ==> Documentation/admin-guide/sysrq.rst - sysctl_writes_strict -- tainted +- tainted ==> Documentation/admin-guide/tainted-kernels.rst - threads-max - unknown_nmi_panic - watchdog @@ -1019,39 +1019,33 @@ compilation sees a 1% slowdown, other systems and workloads may vary. 1: kernel stack erasing is enabled (default), it is performed before returning to the userspace at the end of syscalls. - ============================================================== -tainted: +tainted Non-zero if the kernel has been tainted. Numeric values, which can be ORed together. The letters are seen in "Tainted" line of Oops reports. - 1 (P): A module with a non-GPL license has been loaded, this - includes modules with no license. - Set by modutils >= 2.4.9 and module-init-tools. - 2 (F): A module was force loaded by insmod -f. - Set by modutils >= 2.4.9 and module-init-tools. - 4 (S): Unsafe SMP processors: SMP with CPUs not designed for SMP. - 8 (R): A module was forcibly unloaded from the system by rmmod -f. - 16 (M): A hardware machine check error occurred on the system. - 32 (B): A bad page was discovered on the system. - 64 (U): The user has asked that the system be marked "tainted". This - could be because they are running software that directly modifies - the hardware, or for other reasons. - 128 (D): The system has died. - 256 (A): The ACPI DSDT has been overridden with one supplied by the user - instead of using the one provided by the hardware. - 512 (W): A kernel warning has occurred. - 1024 (C): A module from drivers/staging was loaded. - 2048 (I): The system is working around a severe firmware bug. - 4096 (O): An out-of-tree module has been loaded. - 8192 (E): An unsigned module has been loaded in a kernel supporting module - signature. - 16384 (L): A soft lockup has previously occurred on the system. - 32768 (K): The kernel has been live patched. - 65536 (X): Auxiliary taint, defined and used by for distros. -131072 (T): The kernel was built with the struct randomization plugin. + 1 (P): proprietary module was loaded + 2 (F): module was force loaded + 4 (S): SMP kernel oops on an officially SMP incapable processor + 8 (R): module was force unloaded + 16 (M): processor reported a Machine Check Exception (MCE) + 32 (B): bad page referenced or some unexpected page flags + 64 (U): taint requested by userspace application + 128 (D): kernel died recently, i.e. there was an OOPS or BUG + 256 (A): an ACPI table was overridden by user + 512 (W): kernel issued warning + 1024 (C): staging driver was loaded + 2048 (I): workaround for bug in platform firmware applied + 4096 (O): externally-built ("out-of-tree") module was loaded + 8192 (E): unsigned module was loaded + 16384 (L): soft lockup occurred + 32768 (K): kernel has been live patched + 65536 (X): Auxiliary taint, defined and used by for distros +131072 (T): The kernel was built with the struct randomization plugin + +See Documentation/admin-guide/tainted-kernels.rst for more information. ============================================================== |