Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) # SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) config RAS_CEC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) 	bool "Correctable Errors Collector"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 	depends on X86_MCE && MEMORY_FAILURE && DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 	  This is a small cache which collects correctable memory errors per 4K
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 	  page PFN and counts their repeated occurrence. Once the counter for a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 	  PFN overflows, we try to soft-offline that page as we take it to mean
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	  that it has reached a relatively high error count and would probably
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	  be best if we don't use it anymore.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	  Bear in mind that this is absolutely useless if your platform doesn't
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	  have ECC DIMMs and doesn't have DRAM ECC checking enabled in the BIOS.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) config RAS_CEC_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	bool "CEC debugging machinery"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	depends on RAS_CEC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	  Add extra files to (debugfs)/ras/cec to test the correctable error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	  collector feature. "pfn" is a writable file that allows user to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	  simulate an error in a particular page frame. "array" is a read-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	  file that dumps out the current state of all pages logged so far.