From: Greg KH <gregkh@linuxfoundation.org>
To: Sasha Levin <sashal@kernel.org>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
Dmitry Vyukov <dvyukov@google.com>,
Masahiro Yamada <masahiroy@kernel.org>,
linux-kbuild@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 5.5 23/28] kconfig: Add yes2modconfig and mod2yesconfig targets.
Date: Fri, 27 Mar 2020 07:26:46 +0100 [thread overview]
Message-ID: <20200327062646.GB1601217@kroah.com> (raw)
In-Reply-To: <20200326232357.7516-23-sashal@kernel.org>
On Thu, Mar 26, 2020 at 07:23:52PM -0400, Sasha Levin wrote:
> From: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
>
> [ 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@I-love.SAKURA.ne.jp>
> Cc: Dmitry Vyukov <dvyukov@google.com>
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
> Signed-off-by: Sasha Levin <sashal@kernel.org>
> ---
> 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
prev parent reply other threads:[~2020-03-27 6:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200326232357.7516-1-sashal@kernel.org>
2020-03-26 23:23 ` [PATCH AUTOSEL 5.5 06/28] kconfig: introduce m32-flag and m64-flag Sasha Levin
2020-03-26 23:23 ` [PATCH AUTOSEL 5.5 16/28] modpost: Get proper section index by get_secindex() instead of st_shndx Sasha Levin
2020-03-26 23:23 ` [PATCH AUTOSEL 5.5 23/28] kconfig: Add yes2modconfig and mod2yesconfig targets Sasha Levin
2020-03-26 23:41 ` Tetsuo Handa
2020-03-27 6:26 ` Greg KH [this message]
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