Re: [RFC 00/10] Process-local memory allocations for hiding KVM secrets
From: Thomas Gleixner
Date: Sun Jun 16 2019 - 18:33:25 EST
On Sun, 16 Jun 2019, Andy Lutomirski wrote:
> On Fri, Jun 14, 2019 at 7:21 AM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
> > On Wed, 12 Jun 2019, Andy Lutomirski wrote:
> > >
> > > Fair warning: Linus is on record as absolutely hating this idea. He might
> > > change his mind, but itâs an uphill battle.
> > Yes I know, but as a benefit we could get rid of all the GSBASE horrors in
> > the entry code as we could just put the percpu space into the local PGD.
> I have personally suggested this to Linus on a couple of occasions,
> and he seemed quite skeptical.
The only way to find out is the good old: numbers talk ....
So someone has to bite the bullet, implement it and figure out whether it's
bollocks or not. :)