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From: Arnd Bergmann <arnd@arndb.de>
To: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Changbin Du <changbin.du@gmail.com>,
	Randy Dunlap <rdunlap@infradead.org>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	Linux-Next Mailing List <linux-next@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Hans de Goede <hdegoede@redhat.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: linux-next: Tree for Oct 31 (vboxguest)
Date: Fri, 2 Nov 2018 16:54:25 +0100	[thread overview]
Message-ID: <CAK8P3a1w8p8OC-9_0mtMUxEojvyVfXvF8Ka4J7TnoyZ=gr2Fow@mail.gmail.com> (raw)
In-Reply-To: <CAK7LNAQbBG=KV5Q8o5-JiNCswuse94jECoqT+T+UEY7bLCRPNw@mail.gmail.com>

On 11/2/18, Masahiro Yamada <yamada.masahiro@socionext.com> wrote:
> On Thu, Nov 1, 2018 at 11:32 PM Changbin Du <changbin.du@gmail.com> wrote:
>> On Thu, Nov 01, 2018 at 12:32:48PM +0900, Masahiro Yamada wrote:
>
> How about clang?
>
> For clang, -Og might be equivalent to -O1 at this moment, but I am not
> sure.
>
> In my understanding, Clang does not inline functions marked with 'static
> inline'
> for -Og (or -O1) optimization level.
>
> Theoretically, 'inline' keyword is a just hint for the compiler, after all.

I think this means that we cannot build the kernel in that configuration,
at least with CONFIG_OPTIMIZE_INLINING=y. Without that option,
every 'inline' becomes 'always_inline'.

       Arnd

  reply	other threads:[~2018-11-02 15:54 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-31  3:59 linux-next: Tree for Oct 31 Stephen Rothwell
2018-10-31 15:51 ` linux-next: Tree for Oct 31 (vboxguest) Randy Dunlap
2018-10-31 16:50   ` Hans de Goede
2018-10-31 19:06     ` Randy Dunlap
2018-10-31 21:41   ` Arnd Bergmann
2018-10-31 21:45     ` Randy Dunlap
2018-11-01  3:32     ` Masahiro Yamada
2018-11-01 14:29       ` Changbin Du
2018-11-02  8:25         ` Masahiro Yamada
2018-11-02 15:54           ` Arnd Bergmann [this message]
2018-11-02 23:59             ` Changbin Du
2018-11-04  2:43             ` Masahiro Yamada
2018-11-04 23:38               ` Changbin Du
2018-11-05  3:00                 ` Masahiro Yamada
2018-11-02 23:59           ` Changbin Du

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