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-rw-r--r--Documentation/oops-tracing.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/oops-tracing.txt b/Documentation/oops-tracing.txt
index 2503404ae5c2..ea55ea8bc8ef 100644
--- a/Documentation/oops-tracing.txt
+++ b/Documentation/oops-tracing.txt
@@ -234,6 +234,12 @@ characters, each representing a particular tainted value.
6: 'B' if a page-release function has found a bad page reference or
some unexpected page flags.
+ 7: 'U' if a user specifically requested that the Tainted flag be set,
+ ' ' otherwise.
+
+ 7: 'U' if a user or user application specifically requested that the
+ Tainted flag be set, ' ' otherwise.
+
The primary reason for the 'Tainted: ' string is to tell kernel
debuggers if this is a clean kernel or if anything unusual has
occurred. Tainting is permanent: even if an offending module is

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