x86_64: mcelog tolerant level cleanup

[linux-2.6-omap-h63xx.git] / Documentation / x86_64 / boot-options.txt

diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt
index a4595b22e092a064b6a4a0e4f5fe8be7b53a82b5..945311840a10d29be3f8c680f1124a01e8cd4bed 100644 (file)
--- a/Documentation/x86_64/boot-options.txt
+++ b/Documentation/x86_64/boot-options.txt
@@ -14,9 +14,11 @@ Machine check
    mce=nobootlog
                Disable boot machine check logging.
    mce=tolerancelevel (number)
-               0: always panic, 1: panic if deadlock possible,
-               2: try to avoid panic, 3: never panic or exit (for testing)
-               default is 1
+               0: always panic on uncorrected errors, log corrected errors
+               1: panic or SIGBUS on uncorrected errors, log corrected errors
+               2: SIGBUS or log uncorrected errors, log corrected errors
+               3: never panic or SIGBUS, log all errors (for testing only)
+               Default is 1
                Can be also set using sysfs which is preferable.
 
    nomce (for compatibility with i386): same as mce=off