Re: [PATCH] x86/alternatives: Fix optimize_nops() checking

[Thomas Gleixner]

On Wed, 10 Jan 2018, Linus Torvalds wrote:

> On Wed, Jan 10, 2018 at 3:28 AM, Borislav Petkov <bp@xxxxxxxxx> wrote:
> >
> > Make sure we scan all bytes before we decide to optimize the NOPs in
> > there.
> 
> Can we also add compile-time checking (presumably in objtool, but who
> knows) that there are no relocations in the alternative section?

Cc'ing the overlor^Haded objtool wizard

> Because that was the other "oops, this really doesn't work with
> altinstructions" issue, wasn't it?

Yes.

Thanks,

	tglx