Re: [PATCH 00/31 v2] PTI support for x86_32

From: Linus Torvalds
Date: Sun Feb 11 2018 - 15:14:30 EST

On Sun, Feb 11, 2018 at 11:42 AM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
> At the risk of suggesting heresy, should we consider removing x86_32 support at some point?

Maybe in five or ten years. Not in the near future, I'm afraid.

We removed support for the 80386 back at the end of 2012. At that
point it just became too painful to support at all.

In contrast, we could continue supporting 32-bit for a long time. Even
if it might be in some degraded form (ie no PTI at all, or only a slow

It's not really a lot of pain for people who don't care.