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From:   Masahiro Yamada <yamada.masahiro@socionext.com>
Date:   Sat, 23 Nov 2019 15:40:25 +0900
Message-ID: <CAK7LNASmC_1vwo9vhJGMZNng1dvkJmMzCQi7NEgh3V+JGu_QsA@mail.gmail.com>
Subject: Re: [PATCH] kbuild: make single target builds even faster
To:     Jens Axboe <axboe@kernel.dk>
Cc:     Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
        Michal Marek <michal.lkml@markovi.net>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Mon, Nov 18, 2019 at 11:26 PM Jens Axboe <axboe@kernel.dk> wrote:
>
> On 11/17/19 9:52 PM, Masahiro Yamada wrote:
> > Commit 2dffd23f81a3 ("kbuild: make single target builds much faster")
> > made the situation much better.
> >
> > To improve it even more, apply the similar idea to the top Makefile.
> > Trim unrelated directories from build-dirs.
> >
> > The single build code must be moved above the 'descend' target.
>
> I tested linux-next, which does improve things a bit, and this one on
> top further improves it. We're now not THAT far off the situation
> before these changes, that's a huge win. Thanks for working on this!
>
> You can add:
>
> Tested-by: Jens Axboe <axboe@kernel.dk>
>
> to the commit, if you wish.
>


Applied to linux-kbuild with Jens' Tested-by.


-- 
Best Regards
Masahiro Yamada