diff options
| author | Thomas Huth <thuth@redhat.com> | 2026-04-10 14:27:48 +0200 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2026-07-01 18:40:09 -0700 |
| commit | c8e412f79db6a0c1a89e4289e593eb991a068bce (patch) | |
| tree | 7c5450549bb9e9f4a480218ab11157dc36c2c46a /drivers/ras | |
| parent | 77d34d39509341d76ab10f63ef67648545c90da1 (diff) | |
x86/ras: Move contents from arch/x86/ras/Kconfig into drivers/ras/Kconfig
Commit
bc8e80d56c1ec ("x86/mce: Merge mce_amd_inj into mce-inject")
removed the last .c file from arch/x86/ras/, so that there is now only
a lonely Kconfig file in this folder. Its config switches CONFIG_RAS_CEC and
CONFIG_RAS_CEC_DEBUG are only used in code that resides in drivers/ras/, so
those Kconfig switches should better reside in drivers/ras/, too. Thus move
the contents of arch/x86/ras/ into drivers/ras/Kconfig now.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://patch.msgid.link/20260410122748.29978-1-thuth@redhat.com
Diffstat (limited to 'drivers/ras')
| -rw-r--r-- | drivers/ras/Kconfig | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/ras/Kconfig b/drivers/ras/Kconfig index fc4f4bb94a4c..070e17639faa 100644 --- a/drivers/ras/Kconfig +++ b/drivers/ras/Kconfig @@ -31,7 +31,29 @@ menuconfig RAS if RAS -source "arch/x86/ras/Kconfig" +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. + + 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. + +config RAS_CEC_DEBUG + bool "CEC debugging machinery" + default n + depends on RAS_CEC + help + Add extra files to (debugfs)/ras/cec to test the correctable error + collector feature. "pfn" is a writable file that allows user to + simulate an error in a particular page frame. "array" is a read-only + file that dumps out the current state of all pages logged so far. + source "drivers/ras/amd/atl/Kconfig" config RAS_FMPM |