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-rw-r--r--Documentation/oops-tracing.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/oops-tracing.txt b/Documentation/oops-tracing.txt
index 069fab3..6fe9001 100644
--- a/Documentation/oops-tracing.txt
+++ b/Documentation/oops-tracing.txt
@@ -260,6 +260,9 @@ characters, each representing a particular tainted value.
11: 'C' if a staging driver has been loaded.
+ 12: 'I' if the kernel is working around a severe bug in the platform
+ firmware (BIOS or similar).
+
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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