On Thu, Mar 26, 2020 at 07:23:52PM -0400, Sasha Levin wrote: > From: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> > > [ Upstream commit 89b9060987d988333de59dd218c9666bd7ee95a5 ] > > Since kernel configs provided by syzbot are close to "make allyesconfig", > it takes long time to rebuild. This is especially waste of time when we > need to rebuild for many times (e.g. doing manual printk() inspection, > bisect operations). > > We can save time if we can exclude modules which are irrelevant to each > problem. But "make localmodconfig" cannot exclude modules which are built > into vmlinux because /sbin/lsmod output is used as the source of modules. > > Therefore, this patch adds "make yes2modconfig" which converts from =y > to =m if possible. After confirming that the interested problem is still > reproducible, we can try "make localmodconfig" (and/or manually tune > based on "Modules linked in:" line) in order to exclude modules which are > irrelevant to the interested problem. While we are at it, this patch also > adds "make mod2yesconfig" which converts from =m to =y in case someone > wants to convert from =m to =y after "make localmodconfig". > > Signed-off-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> > Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx> > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx> > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> > --- > scripts/kconfig/Makefile | 4 +++- > scripts/kconfig/conf.c | 16 ++++++++++++++++ > scripts/kconfig/confdata.c | 16 ++++++++++++++++ > scripts/kconfig/lkc.h | 3 +++ > 4 files changed, 38 insertions(+), 1 deletion(-) Why did this patch get picked up by the autobot? Because it referenced syzbot? It adds a new feature, that isn't really needed by any stable things, so it should be dropped from your queues for all trees. thanks, greg k-h
