From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1753452AbbBSRjU (ORCPT <rfc822;w@1wt.eu>);
	Thu, 19 Feb 2015 12:39:20 -0500
Received: from mail-ig0-f175.google.com ([209.85.213.175]:52473 "EHLO
	mail-ig0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1753298AbbBSRjS (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Thu, 19 Feb 2015 12:39:18 -0500
MIME-Version: 1.0
In-Reply-To: <CA+55aFxWBKHth7x3FJ+dpGfy0ZT7SUhHnX7tDfgDo-wXTeX5Lg@mail.gmail.com>
References: <CAMiJ5CX5Ub66mQiVGwwq+PqV5Hf1Aoz2pdsSLSMKH7vJYuhSzg@mail.gmail.com>
	<CA+55aFxbtyciJwhgaLMK7XH8MyQ9Nm4=5Ke-QCo3WOaacegLXw@mail.gmail.com>
	<CA+55aFyGkOCVGD3Ds7Wt1z9Dw7cmk_yXw7YwruACQh5QAXOQvQ@mail.gmail.com>
	<CA+55aFz492bzLFhdbKN-Hygjcreup7CjMEYk3nTSfRWjppz-OA@mail.gmail.com>
	<20150218222544.GA17717@twins.programming.kicks-ass.net>
	<CAMiJ5CV--EFGnZSvJcrUrYVjy1PWueCQq5i5D+i0=p9BArPnjw@mail.gmail.com>
	<CA+55aFwWT--5mgKqryfFAbgaoEacsZn8dZ0POWH3xpdNgRMuRw@mail.gmail.com>
	<CAMiJ5CU+rvQr-_Ejd3m3ha3HsiSKu0Sq_fTaE2Ws_c_01=qbLQ@mail.gmail.com>
	<CA+55aFxWBKHth7x3FJ+dpGfy0ZT7SUhHnX7tDfgDo-wXTeX5Lg@mail.gmail.com>
Date: Thu, 19 Feb 2015 09:39:18 -0800
X-Google-Sender-Auth: GiTbchbCDicOxt3wUBqGdLzOKF0
Message-ID: <CA+55aFx2n9zsqwuW=p6KJF62rXp+9_M-HF3wbeJRA-MeT0XLLw@mail.gmail.com>
Subject: Re: smp_call_function_single lockups
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Rafael David Tinoco <inaddy@ubuntu.com>
Cc: Peter Zijlstra <peterz@infradead.org>, LKML <linux-kernel@vger.kernel.org>,
        Jens Axboe <axboe@kernel.dk>, Frederic Weisbecker <fweisbec@gmail.com>,
        Gema Gomez <gema.gomez-solano@canonical.com>,
        Christopher Arges <chris.j.arges@canonical.com>,
        "the arch/x86 maintainers" <x86@kernel.org>
Content-Type: text/plain; charset=UTF-8
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Thu, Feb 19, 2015 at 8:59 AM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> Are there known errata for the x2apic?

.. and in particular, do we still have to worry about the traditional
local apic "if there are more than two pending interrupts per priority
level, things get lost" problem?

I forget the exact details. Hopefully somebody remembers.

                      Linus