Re: [GIT pull] x86/pti updates for 4.15

From: David Woodhouse
Date: Sun Jan 14 2018 - 16:15:51 EST


On Sun, 2018-01-14 at 13:12 -0800, Linus Torvalds wrote:
> On Sun, Jan 14, 2018 at 1:01 PM, Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> wrote:
> >
> >
> > Good point. I'll queue a patch to that effect or do you just want
> > to do
> > that yourself?
> I don't think it's critical, and I don't care for rc8, so it's not
> timing-sensitive.
>
> Maybe David should do it as part of the "the compiler people changed
> the name of the thunks" series anyway, since now I think that
> RETPOLINE_CFLAGS test might want to be extended too (to see which
> _version_ of the thunks we need to export).
>
> Or maybe we'd just export the damn thunks under both names, just to
> allow people to use both versions of the compilers.
>
> Christ, what a mess.

No, screw that. We're updating, and there's only one version of
anything. Let's not mess around with compatibility for thunk names that
never made the light of day in either a GCC or a Linux (even -rc)
release.

> My "let's not warn" is not important, and the thunk naming thing
> should be resolved first. Gaah.
>
> So I think letting David worry about it sounds about right.

Thanks. :)

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