Re: futex_cmpxchg_enabled breakage

From: Peter Zijlstra
Date: Thu Aug 30 2018 - 06:39:11 EST

On Wed, Aug 29, 2018 at 06:22:21PM -0400, Rich Felker wrote:
> If there are archs that support SMP but don't provide their own

Then throw it out the window and drive over it with a tank.

Seriously, an SMP architecture that doesn't have native cmpxchg (or
equivalent) is not worth anybodies time.