Re: [PATCH 0/2] Clean up x86_32 stackprotector

[Peter Zijlstra]

On Mon, Oct 05, 2020 at 07:10:39PM -0400, Brian Gerst wrote:
> On Mon, Oct 5, 2020 at 3:30 PM Andy Lutomirski <luto@xxxxxxxxxx> wrote:
> >
> > x86_32 stackprotector is a maintenance nightmare.  Clean it up.  This
> > disables stackprotector on x86_32 on GCC 8.1 and on all clang
> > versions -- I'll file a bug for the latter.
> 
> This should be doable on 64-bit too.  All that would need to be done
> is to remove the zero-base of the percpu segment (which would simplify
> alot of other code).

Like what?

I don't think it'd be hard to do, but I really don't see it doing
anything other than make things confusing as heck.