X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=Documentation%2Fx86%2Fx86_64%2Fboot-options.txt;h=de38429beb719e66617c2b256de863d2a7f322c6;hb=5d3a0a95868a9669816da193bb284121df9031c8;hp=c54b4f503e2a00e0d45a6ae7ae92533b5d3468af;hpb=86dd7909c2c4ae3f219a9233bf0f095b05632ecf;p=~andy%2Flinux

diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt
index c54b4f503e2..de38429beb7 100644
--- a/Documentation/x86/x86_64/boot-options.txt
+++ b/Documentation/x86/x86_64/boot-options.txt
@@ -50,6 +50,13 @@ Machine check
 		monarchtimeout:
 		Sets the time in us to wait for other CPUs on machine checks. 0
 		to disable.
+   mce=bios_cmci_threshold
+		Don't overwrite the bios-set CMCI threshold. This boot option
+		prevents Linux from overwriting the CMCI threshold set by the
+		bios. Without this option, Linux always sets the CMCI
+		threshold to 1. Enabling this may make memory predictive failure
+		analysis less effective if the bios sets thresholds for memory
+		errors since we will not see details for all errors.
 
    nomce (for compatibility with i386): same as mce=off