diff options
Diffstat (limited to 'arch/x86/ras/Kconfig')
| -rw-r--r-- | arch/x86/ras/Kconfig | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/arch/x86/ras/Kconfig b/arch/x86/ras/Kconfig index 0bc60a308730..bb026699ad19 100644 --- a/arch/x86/ras/Kconfig +++ b/arch/x86/ras/Kconfig @@ -1,9 +1,12 @@ -config MCE_AMD_INJ - tristate "Simple MCE injection interface for AMD processors" - depends on RAS && X86_MCE && DEBUG_FS && AMD_NB - default n - help - This is a simple debugfs interface to inject MCEs and test different - aspects of the MCE handling code. +config RAS_CEC + bool "Correctable Errors Collector" + depends on X86_MCE && MEMORY_FAILURE && DEBUG_FS + ---help--- + This is a small cache which collects correctable memory errors per 4K + page PFN and counts their repeated occurrence. Once the counter for a + PFN overflows, we try to soft-offline that page as we take it to mean + that it has reached a relatively high error count and would probably + be best if we don't use it anymore. - WARNING: Do not even assume this interface is staying stable! + Bear in mind that this is absolutely useless if your platform doesn't + have ECC DIMMs and doesn't have DRAM ECC checking enabled in the BIOS. |