mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/arch/x86/ras/Kconfig
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@@ -2,7 +2,7 @@
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 config RAS_CEC
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 	bool "Correctable Errors Collector"
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 	depends on X86_MCE && MEMORY_FAILURE && DEBUG_FS
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-	---help---
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+	help
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 	  This is a small cache which collects correctable memory errors per 4K
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 	  page PFN and counts their repeated occurrence. Once the counter for a
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 	  PFN overflows, we try to soft-offline that page as we take it to mean
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@@ -11,3 +11,13 @@
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 	  Bear in mind that this is absolutely useless if your platform doesn't
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 	  have ECC DIMMs and doesn't have DRAM ECC checking enabled in the BIOS.
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+
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+config RAS_CEC_DEBUG
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+	bool "CEC debugging machinery"
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+	default n
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+	depends on RAS_CEC
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+	help
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+	  Add extra files to (debugfs)/ras/cec to test the correctable error
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+	  collector feature. "pfn" is a writable file that allows user to
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+	  simulate an error in a particular page frame. "array" is a read-only
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+	  file that dumps out the current state of all pages logged so far.