Re: Building Kernel with -O0

[Bodo Eggert]

linux-os (Dick Johnson) <linux-os@xxxxxxxxxxxx> wrote:

> If you have to single-step through kernel procedures, you
> are not writing proper code for a kernel. Furthermore, even
> when using the kernel debugger, you are not executing the
> exact same path that would be executed without the debugger
> attached.

I sometimes single-step in order to verify my (userspace) code, instead of
just throwing random test data at it. It's easier and makes me feel better.
OTOH, -O2 never was a problem if I used it, so I don't strongly vote
for enabling -O0.

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