kbuild: add comment for V=2 mode

Complete the comments for valid values of KBUILD_VERBOSE,
specifically for KBUILD_VERBOSE=2.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Randy Dunlap 2020-02-12 20:40:57 -08:00 committed by Masahiro Yamada
parent f8788d86ab
commit 505b12b386
1 changed files with 1 additions and 0 deletions

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@ -68,6 +68,7 @@ unexport GREP_OPTIONS
#
# If KBUILD_VERBOSE equals 0 then the above command will be hidden.
# If KBUILD_VERBOSE equals 1 then the above command is displayed.
# If KBUILD_VERBOSE equals 2 then give the reason why each target is rebuilt.
#
# To put more focus on warnings, be less verbose as default
# Use 'make V=1' to see the full commands