From: Valdis.Kletnieks@vt.edu
To: "Américo Wang" <xiyou.wangcong@gmail.com>
Cc: Hui Zhu <teawater@gmail.com>,
linux-kernel@vger.kernel.org, gdb@sourceware.org,
hellogcc@freelists.org
Subject: Re: [PATCH] Built kernel without -O2 option
Date: Mon, 29 Nov 2010 13:03:42 -0500 [thread overview]
Message-ID: <13378.1291053822@localhost> (raw)
In-Reply-To: Your message of "Mon, 29 Nov 2010 16:52:50 +0800." <20101129085250.GF5218@cr0.nay.redhat.com>
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On Mon, 29 Nov 2010 16:52:50 +0800, Américo Wang said:
> >For example:
> >ifdef CONFIG_CC_CLOSE_OPTIMIZATION
> >CFLAGS_fpu.o += -O2
> >CFLAGS_aesni-intel_glue.o += -O2
> >CFLAGS_ghash-clmulni-intel_glue.o += -O2
> >endif
>
> No, I didn't mean this, I meant some function that have to be inlined
> are those who only work when being inlined, e.g. current_text_addr().
>
> I think it is not alone. :)
Anything that uses the gcc __builtin_return_adress() extension should also be
audited - that returns different results for inlined and non-inlined callers.
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next prev parent reply other threads:[~2010-11-29 18:05 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-29 3:56 [PATCH] Built kernel without -O2 option Hui Zhu
2010-11-29 8:16 ` Américo Wang
2010-11-29 8:18 ` microcai
2010-11-29 8:24 ` Hui Zhu
[not found] ` <4CF36741.9000808@loongson.cn>
2010-11-29 8:47 ` [hellogcc] " Hui Zhu
2010-11-29 8:55 ` Steven
2010-11-29 8:57 ` Hui Zhu
2010-11-29 9:45 ` 乔崇
2010-11-29 18:10 ` Valdis.Kletnieks
2010-11-29 18:34 ` Steven J. Magnani
2010-11-29 22:03 ` Alexey Dobriyan
2010-12-01 13:21 ` Hui Zhu
2010-12-01 12:23 ` bekars
2010-12-01 13:24 ` Hui Zhu
2010-12-01 13:58 ` bekars
2010-12-01 15:01 ` Hui Zhu
2010-12-01 15:42 ` jovi zhang
2010-11-29 8:52 ` Américo Wang
2010-11-29 9:11 ` Hui Zhu
2010-11-29 18:03 ` Valdis.Kletnieks [this message]
2010-11-29 20:51 ` richard -rw- weinberger
2010-11-29 21:00 ` Arnaud Lacombe
2010-11-29 21:07 ` richard -rw- weinberger
2010-11-29 9:44 ` Christian Borntraeger
2010-11-29 11:12 ` Segher Boessenkool
2010-11-29 11:17 ` Christian Borntraeger
2010-11-29 11:57 ` Nicholas Mc Guire
2010-12-01 12:18 ` Hui Zhu
2010-11-29 9:59 ` Andi Kleen
2010-11-29 10:12 ` Mark Wielaard
2010-11-30 9:31 ` Américo Wang
2010-11-30 18:40 ` Michael Snyder
2010-12-01 12:52 ` Hui Zhu
2010-11-29 19:05 ` Jan Kratochvil
2010-11-29 21:07 ` Arnaud Lacombe
2010-11-30 22:40 ` Petr Hluzín
2010-12-01 13:42 ` Hui Zhu
2010-12-01 13:10 ` Hui Zhu
2011-01-24 7:47 ` Hui Zhu
2011-01-24 8:11 ` Kevin Pouget
2011-01-24 12:42 ` Hui Zhu
2011-01-28 3:41 ` Hui Zhu
2011-02-17 2:43 ` Hui Zhu
[not found] ` <AANLkTik+beFdZZHLyei044q8EPHwvmiKoFAvAHsNuhmw@mail.gmail.com>
2011-02-21 12:51 ` Kevin Pouget
2011-02-23 5:19 ` Hui Zhu
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