linux-kernel - Re: Why not build kernel with -O3

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Message-ID: <1428401356.3152.38.camel@gmail.com>
Date:	Tue, 07 Apr 2015 12:09:16 +0200
From:	Mike Galbraith <umgwanakikbuti@...il.com>
To:	Pengfei Yuan <0xcoolypf@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Why not build kernel with -O3

On Tue, 2015-04-07 at 15:56 +0800, Pengfei Yuan wrote:
> I am trying legacy GCC versions.
> But I am not able to try different architectures.

The point of my reply wasn't to get you to actually test the world ;-)

I was indirectly pointing out that "works for me" is not good enough 
justification.  Much checking for safety/benefit required.

        -Mike
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