Re: [PATCH] x86: Fix early boot crash on gcc-10, next try
From: Segher Boessenkool
Date: Sat Apr 25 2020 - 15:16:44 EST
On Sat, Apr 25, 2020 at 08:53:13PM +0200, Borislav Petkov wrote:
> On Sat, Apr 25, 2020 at 01:37:01PM -0500, Segher Boessenkool wrote:
> > That is a lot more typing then
> > asm("");
>
> That's why a macro with a hopefully more descriptive name would be
> telling more than a mere asm("").
My point is that you should explain at *every use* of this why you cannot
have tail calls *there*. This is very unusual, after all.
There are *very* few places where you want to prevent tail calls, that's
why there is no attribute for it.
Segher