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| author | Ingo Molnar <mingo@kernel.org> | 2012-09-29 08:16:29 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-09-29 08:16:29 (GMT) |
| commit | 39ba5010d349109e53eaf9819bebe3f501bb5edf (patch) | |
| tree | 254dd5a157702dad656ac37815fb346df94f8d8d /Documentation | |
| parent | 961ebea4ae68075bb5a0acc19f5852bed82bb877 (diff) | |
| parent | 450cc201038f31bd496e1b3a44a49790b8827a06 (diff) | |
| download | linux-39ba5010d349109e53eaf9819bebe3f501bb5edf.tar.xz | |
Merge tag 'please-pull-naveen' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras into x86/mce
Pull MCE updates from Tony Luck:
"Option to let the bios set per-bank CMCI thresholds so they can
filter noisy error sources at a fine grained level based on platform
specific knowledge."
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/x86/x86_64/boot-options.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt index c54b4f5..de38429 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 |