linux-kernel - Re: [PATCH v2 4/4] kernel hacking: new config CC_OPTIMIZE_FOR

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Message-ID: <CAK7LNAQ0iZDHP8zQZ_Ws4Wy4H6rwiV5p-A0bM1yVJLP51sqQeg@mail.gmail.com>
Date:   Mon, 29 Oct 2018 22:01:44 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Changbin Du <changbin.du@...il.com>
Cc:     Michal Marek <michal.lkml@...kovi.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Russell King <linux@...linux.org.uk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Steven Rostedt <rostedt@...dmis.org>, X86 ML <x86@...nel.org>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-sparse@...r.kernel.org, Robin Murphy <robin.murphy@....com>
Subject: Re: [PATCH v2 4/4] kernel hacking: new config CC_OPTIMIZE_FOR_DEBUGGING
 to apply GCC -Og optimization

Hi.


On Sun, Oct 28, 2018 at 10:14 PM Changbin Du <changbin.du@...il.com> wrote:
>
> On Sun, Oct 28, 2018 at 10:09:21PM +0900, Masahiro Yamada wrote:
> > Hi Changbin,
> >
> > On Sun, Oct 28, 2018 at 9:52 PM Changbin Du <changbin.du@...il.com> wrote:
> >
> > > >
> > > Thanks for pointing this out and kind suggestions. I have tested with your
> > > modification. Will update patch serias soon.
> >
> >
> > I have one more request.
> >
> > The patch subject
> > "kernel hacking: new config CC_OPTIMIZE_FOR_DEBUGGING to apply GCC -Og
> > optimization"
> > is too long (83 characters)
> >
> >
> > I'd like the subject to be within 70 columns or so.
> >
> oh, I just sent new version. Could me update the title if there are more
> suggestions then?



How about this?

2/4: kernel hacking: add a config option to disable compiler auto-inlining
3/4: ARM: mm: fix build error in fix_to_virt with -Og optimization level
4/4: kernel hacking: support building kernel with -Og optimization level

(The CONFIG name is so long that the subject
would easily exceeds 80-columns with it.)


I applied this series to linux-kbuild,
and will send another pull request in this MW.


If you come up with better patch titles,
please let me know.
I will fix them up locally.



-- 
Best Regards
Masahiro Yamada