[PATCH v4 1/9] kbuild: Don't pass -rR to selftest makefiles

The makefiles under tools/testing/selftests are not real kbuild makefiles, they are regular stand alone makefiles. As such they *do* want all the standard implicit rules and variables defined. So before calling those makefiles, filter -rR out of MAKEFLAGS. Without this not all the selftests are

[PATCH v4 1/9] kbuild: Don't pass -rR to selftest makefiles

The makefiles under tools/testing/selftests are not real kbuild makefiles, they are regular stand alone makefiles. As such they *do* want all the standard implicit rules and variables defined. So before calling those makefiles, filter -rR out of MAKEFLAGS. Without this not all the selftests are