WARNING: Consider removing the code enclosed by this #if 0 and its #endif
WARNING: Macros with flow control statements should be avoided
WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
WARNING: line length of 81 exceeds 80 columns
WARNING: line length of 83 exceeds 80 columns
WARNING: line length of 85 exceeds 80 columns
WARNING: line length of 86 exceeds 80 columns
WARNING: line length of 88 exceeds 80 columns
WARNING: line length of 90 exceeds 80 columns
WARNING: line length of 94 exceeds 80 columns
WARNING: please write a help paragraph that fully describes the config symbol