Re: [PATCH 6/7] x86/spec_ctrl: Add sysctl knobs to enable/disable SPEC_CTRL feature

Thomas Gleixner
2018-01-05T00:07:23Z

On Fri, 5 Jan 2018, Borislav Petkov wrote:

> On Fri, Jan 05, 2018 at 12:51:34AM +0100, Andrea Arcangeli wrote:
> > In older kernels there's not even the boilerplate to check the static
> > key in asm,
>
> This is the reason why I didn't use a static_key too.

We are talking about upstream first and given the amount of crap you
backported already the few lines for the ASM jump labels really do not make
a difference anymore.

I so hope this exercise will finally stop the kernel-necrophilia in
distros. I know it won't but hope dies last.

Thanks,

tglx