# Re: Candidate Linux ABI for Intel AMX and hypothetical new related features

- From: Peter Zijlstra \<peterz@infradead.org\>
- Date: 2021-05-21 14:49:52 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2021/05/1387645
- Thread: https://ratatoskr.run/linux-api/2021/05/1379379/t.md

```text
On Fri, May 21, 2021 at 04:44:58PM +0200, Florian Weimer wrote:

> And we added an interface for querying x86 CPU features to glibc 2.33
> which is completely incompatible with this because it assumes that CPU
> features do not change during the lifetime of a process. 8-(

How many x86 kernel maintainers signed off on that patch?
```