linux-kernel - Re: [PATCH] kbuild: Fix optimization level choice default

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Message-ID: <CAK7LNAS9uut+ddo3V02SihjocBP7fM+kYM6SxDtM4hya6CTxPQ@mail.gmail.com>
Date:   Fri, 6 Oct 2017 05:04:30 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Ulf Magnusson <ulfalizer@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        Nicolas Pitre <nicolas.pitre@...aro.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Tejun Heo <tj@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Kees Cook <keescook@...omium.org>,
        Daniel Mack <daniel@...que.org>
Subject: Re: [PATCH] kbuild: Fix optimization level choice default

2017-10-04 16:27 GMT+09:00 Arnd Bergmann <arnd@...db.de>:
> On Wed, Oct 4, 2017 at 1:53 AM, Ulf Magnusson <ulfalizer@...il.com> wrote:
>> The choice containing the CC_OPTIMIZE_FOR_PERFORMANCE symbol
>> accidentally added a "CONFIG_" prefix when trying to make it the
>> default, selecting an undefined symbol as the default.
>>
>> The mistake is harmless here: Since the default symbol is not visible,
>> the choice falls back on using the visible symbol as the default
>> instead, which is CC_OPTIMIZE_FOR_PERFORMANCE, as intended.
>>
>> A patch that makes Kconfig print a warning in this case has been
>> submitted separately:
>> http://www.spinics.net/lists/linux-kbuild/msg15566.html
>>
>> Signed-off-by: Ulf Magnusson <ulfalizer@...il.com>
>
> Acked-by: Arnd Bergmann <arnd@...db.de>
> --


Applied to linux-kbuild/fixes.  Thanks.


-- 
Best Regards
Masahiro Yamada