Re: [hellogcc] Re: [PATCH] Built kernel without -O2 option

Hui Zhu
2010-12-01T13:22:13Z

On Tue, Nov 30, 2010 at 06:03, Alexey Dobriyan <adobriyan@gmail.com> wrote:
> On Mon, Nov 29, 2010 at 01:10:29PM -0500, Valdis.Kletnieks@vt.edu wrote:
>> That may result in issues - the problem is that there are places in the kernel
>> where 'gcc -O0' will *compile* cleanly, but not actually *run* correctly.
>
> Since nobody (no-bo-dy) runs kernel with -O0, I'd suggest original
> poster to learn how to debug kernel with constrained information.
>
> I'll be most certainly faster. :^)
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Do you know Linux kernel cannot be built with "gcc -O0" now?
I think you should said "Since nobody (no-bo-dy) don't want built
kernel with -O0".

But how you know all the people's idea? :)

Thanks,
Hui