On 2020-10-20 13:41:37 [+0200], Peter Zijlstra wrote:

Right, but this patch set doesn't include the lazy preemption stuff, and
given the 'fun' Valentin and me are still having with it, I'd like to
keep it like that.

But yes, that might warrant a slightly less NOP implementation.

Uh. Looking at the actual implementation we don't look at the mg-counter
but have preempt_lazy_disable() for that.
Let me sync your bits then.
Thanks.

Sebastian