From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.kernel.org ([198.145.29.99]:40558 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725857AbgC0G0v (ORCPT ); Fri, 27 Mar 2020 02:26:51 -0400 Date: Fri, 27 Mar 2020 07:26:46 +0100 From: Greg KH Subject: Re: [PATCH AUTOSEL 5.5 23/28] kconfig: Add yes2modconfig and mod2yesconfig targets. Message-ID: <20200327062646.GB1601217@kroah.com> References: <20200326232357.7516-1-sashal@kernel.org> <20200326232357.7516-23-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200326232357.7516-23-sashal@kernel.org> Sender: linux-kbuild-owner@vger.kernel.org List-ID: To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Tetsuo Handa , Dmitry Vyukov , Masahiro Yamada , linux-kbuild@vger.kernel.org On Thu, Mar 26, 2020 at 07:23:52PM -0400, Sasha Levin wrote: > From: Tetsuo Handa > > [ 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 > Cc: Dmitry Vyukov > Signed-off-by: Masahiro Yamada > Signed-off-by: Sasha Levin > --- > 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