On Thu, Jun 19, 2025 at 10:44:27AM +0200, Peter Zijlstra wrote: > Luckily, x86 dropped support for !CMPXCHG8B right along with !TSC. So on > x86 we good with timestamps, even on 32bit. Well, not entirely true, local_clock() is not guaranteed monotonic. So you might be in for quite a bit of hurt if you rely on that.
