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Date:   Mon, 27 May 2019 10:28:36 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Nadav Amit <namit@vmware.com>
Cc:     Ingo Molnar <mingo@redhat.com>, Andy Lutomirski <luto@kernel.org>,
        Borislav Petkov <bp@alien8.de>, linux-kernel@vger.kernel.org,
        Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [RFC PATCH 0/6] x86/mm: Flush remote and local TLBs concurrently
Message-ID: <20190527082836.GQ2623@hirez.programming.kicks-ass.net>
References: <20190525082203.6531-1-namit@vmware.com>
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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 :/: