kernel patches.
-1: Builds cleanly with applicable or modified CONFIG options =y, =m, and
+1: If you use a facility then #include the file that defines/declares
+ that facility. Don't depend on other header files pulling in ones
+ that you use.
+
+2: Builds cleanly with applicable or modified CONFIG options =y, =m, and
=n. No gcc warnings/errors, no linker warnings/errors.
-2: Passes allnoconfig, allmodconfig
+2b: Passes allnoconfig, allmodconfig
3: Builds on multiple CPU architectures by using local cross-compile tools
or some other build farm.