Re: [patch 01/24] x86/speculation: Update the TIF_SSBD comment

From: Thomas Gleixner
Date: Wed Nov 21 2018 - 17:55:13 EST


On Wed, 21 Nov 2018, Borislav Petkov wrote:

> On Wed, Nov 21, 2018 at 11:48:41PM +0100, Thomas Gleixner wrote:
> > Btw, I really do not like the app2app wording. I'd rather go for usr2usr,
> > but that's kinda horrible as well. But then, all of this is horrible.
> >
> > Any better ideas?
>
> It needs to have "task isolation" in there somewhere as this is what it
> does, practically. But it needs to be more precise as in "isolates the
> tasks from influence due to shared hardware." :)

Not only shared hardware. IBPB is about tasks running back to back on the
same CPU.

Thanks,

tglx