linux-kernel - Re: linux-next: Tree for Aug 8

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Message-ID: <CAK7LNASzxcicBPM5OkScnwHPef_7X=oiuO_0xCH3f55ACYZEWw@mail.gmail.com>
Date:   Fri, 9 Aug 2019 13:44:19 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Heiko Carstens <heiko.carstens@...ibm.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: Tree for Aug 8

Hi Heiko, Stephen,

On Fri, Aug 9, 2019 at 7:53 AM Heiko Carstens <heiko.carstens@...ibm.com> wrote:
>
> On Thu, Aug 08, 2019 at 06:17:39PM +1000, Stephen Rothwell wrote:
> > Hi all,
> >
> > Changes since 20190807:
> >
> > I reverted a commit from the kbuild-current tree by request.
>
> Hello Masahiro,
>
> it looks like there is (another?) bug in kbuild. With your patch
>
> commit 421a15c167b2d1f43f287da5b75ef2704650640b (refs/bisect/bad)
> Author: Masahiro Yamada <yamada.masahiro@...ionext.com>
> Date:   Fri Jul 26 11:17:47 2019 +0900
>
>     kbuild: clean-up subdir-ym computation
>
>     The intermediate variables __subdir-{y,m} are unneeded.
>
>     Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
>
> the file modules.builtin starts to miss a lot of entries when building
> the kernel tree. Reverting that patch on top of linux-next 20190808
> restores the old behaviour.
>
> This is the diff I get without and with the above commit (s390 with
> defconfig):
>
> --- modules.builtin.ok  2019-08-09 00:39:58.148624485 +0200
> +++ modules.builtin     2019-08-09 00:40:07.878637541 +0200


You are right. This commit is bad.


Stephen, could you revert this commit for today's linux-next ?


BTW, I had dropped this commit from my branch (with another reason),
but I forgot to push it to the public place...


-- 
Best Regards
Masahiro Yamada