From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933193Ab1KHTZm (ORCPT ); Tue, 8 Nov 2011 14:25:42 -0500 Received: from mx1.redhat.com ([209.132.183.28]:15518 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755155Ab1KHTZl (ORCPT ); Tue, 8 Nov 2011 14:25:41 -0500 Date: Tue, 8 Nov 2011 14:25:09 -0500 From: Don Zickus To: Ingo Molnar , Andi Kleen , x86@kernel.org Cc: LKML , Peter Zijlstra , Robert Richter , Andrew Morton , seiji.aguchi@hds.com, vgoyal@redhat.com, mjg@redhat.com, tony.luck@intel.com, gong.chen@intel.com, satoru.moriya@hds.com, avi@redhat.com Subject: Re: [v2 PATCH 0/3] Use NMI to stop cpus Message-ID: <20111108192509.GB5629@redhat.com> References: <1318533267-18880-1-git-send-email-dzickus@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1318533267-18880-1-git-send-email-dzickus@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 13, 2011 at 03:14:24PM -0400, Don Zickus wrote: > This patch series attempts to use NMI to stop cpus instead of the > REBOOT_VECTOR irq. The idea is to have a more robust and reliable > way to stop cpus when serializing things like the panic path. poke? Any feedback on this now that rc-1 is out and things hopefully calmed down a bit. :-) Cheers, Don > > More details in the changelogs. > > Don Zickus (3): > x86, reboot: Use NMI instead of REBOOT_VECTOR to stop cpus > x86, NMI: Add NMI IPI selftest > x86, NMI: knob to disable using NMI IPIs to stop cpus > > Documentation/kernel-parameters.txt | 4 + > arch/x86/Kconfig.debug | 12 +++ > arch/x86/include/asm/smp.h | 6 + > arch/x86/kernel/Makefile | 1 + > arch/x86/kernel/nmi_selftest.c | 179 +++++++++++++++++++++++++++++++++++ > arch/x86/kernel/smp.c | 72 ++++++++++++++- > arch/x86/kernel/smpboot.c | 1 + > 7 files changed, 273 insertions(+), 2 deletions(-) > create mode 100644 arch/x86/kernel/nmi_selftest.c > > -- > 1.7.6.4 >