Re: [RFC PATCH 0/6] x86/mm: Flush remote and local TLBs concurrently

[Peter Zijlstra]

On Sat, May 25, 2019 at 01:21:57AM -0700, Nadav Amit wrote:
> The proposed changes should also improve the performance of other
> invocations of on_each_cpu(). Hopefully, no one has relied on the
> behavior of on_each_cpu() that functions were first executed remotely
> and only then locally.

Oh gawd... I actually have vague memories of code doing exactly that,
but I can't for the life of me remember where :/: