On Wed, Dec 13, 2017 at 01:55:15AM +0000, alexander.levin@xxxxxxxxxxx wrote: > From: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> > > [ Upstream commit 2c1f4f125159f10521944cea23e33a00fcf85ede ] > > The top Makefile is divided into some sections such as mixed targets, > config targets, build targets, etc. > > When we build mixed targets, Kbuild just invokes submake to process > them one by one. In this case, compiler-related variables like CC, > KBUILD_CFLAGS, etc. are unneeded. > > Check what kind of targets we are building first, and parse variables > for building only when necessary. > > Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> > Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx> > --- > Makefile | 233 ++++++++++++++++++++++++++++++++------------------------------- > 1 file changed, 118 insertions(+), 115 deletions(-) While this is a "nice thing", I don't see how this is a good 4.14-stable patch. It doesn't fix a bug, is really "big", and might make a build faster (but does it even do that?) So I'm going to drop this from the pull request you sent, thanks. greg k-h