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authorKees Cook <keescook@chromium.org>2018-04-10 16:32:29 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-11 10:28:34 -0700
commit9c4560e5bbd8c839c8986f79ef536aa07bd77ec7 (patch)
treecd8a9a48005b7d30df1c1bd1571bdfd1ab81fec7 /kernel/panic.c
parent47d4b263a2f7324fb3cb641ca00b2725dd12dea0 (diff)
taint: consolidate documentation
This consolidates the taint bit documentation into a single place with both numeric and letter values. Additionally adds the missing TAINT_AUX documentation. Link: http://lkml.kernel.org/r/1519084390-43867-3-git-send-email-keescook@chromium.org Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/panic.c')
-rw-r--r--kernel/panic.c23
1 files changed, 4 insertions, 19 deletions
diff --git a/kernel/panic.c b/kernel/panic.c
index af4cfa8eda22..5ceb9cbec4a2 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -328,27 +328,12 @@ const struct taint_flag taint_flags[TAINT_FLAGS_COUNT] = {
};
/**
- * print_tainted - return a string to represent the kernel taint state.
+ * print_tainted - return a string to represent the kernel taint state.
*
- * 'P' - Proprietary module has been loaded.
- * 'F' - Module has been forcibly loaded.
- * 'S' - SMP with CPUs not designed for SMP.
- * 'R' - User forced a module unload.
- * 'M' - System experienced a machine check exception.
- * 'B' - System has hit bad_page.
- * 'U' - Userspace-defined naughtiness.
- * 'D' - Kernel has oopsed before
- * 'A' - ACPI table overridden.
- * 'W' - Taint on warning.
- * 'C' - modules from drivers/staging are loaded.
- * 'I' - Working around severe firmware bug.
- * 'O' - Out-of-tree module has been loaded.
- * 'E' - Unsigned module has been loaded.
- * 'L' - A soft lockup has previously occurred.
- * 'K' - Kernel has been live patched.
- * 'X' - Auxiliary taint, for distros' use.
+ * For individual taint flag meanings, see Documentation/sysctl/kernel.txt
*
- * The string is overwritten by the next call to print_tainted().
+ * The string is overwritten by the next call to print_tainted(),
+ * but is always NULL terminated.
*/
const char *print_tainted(void)
{

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