Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933728Ab0FRPbZ (ORCPT ); Fri, 18 Jun 2010 11:31:25 -0400 Received: from casper.infradead.org ([85.118.1.10]:40601 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932475Ab0FRPbY convert rfc822-to-8bit (ORCPT ); Fri, 18 Jun 2010 11:31:24 -0400 Subject: Re: [RFC 1/3] Unified NMI delayed call mechanism From: Peter Zijlstra To: huang ying Cc: Ingo Molnar , Hidetoshi Seto , Huang Ying , Fr??d??ric Weisbecker , Don Zickus , "H.PeterA" <"nvin hpa"@zytor.com>, linux-kernel@vger.kernel.org, Andi Kleen In-Reply-To: References: <1276334896-7075-1-git-send-email-ying.huang@intel.com> <20100612102558.GA4000@elte.hu> <4C15A5D1.1040104@jp.fujitsu.com> <20100618094838.GD23977@elte.hu> <20100618124551.GC7612@elte.hu> <20100618143532.GA10886@elte.hu> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Fri, 18 Jun 2010 17:31:07 +0200 Message-ID: <1276875067.1875.133.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 627 Lines: 21 On Fri, 2010-06-18 at 23:16 +0800, huang ying wrote: > > soft_irq is a delayed mechanism for IRQ, No its not. > a self interrupt can be a > delayed mechanism for NMI. If we can make soft_irq NMI-safe, No you can't. > we can > use soft_irq as a backup of self interrupt (for systems without APIC > and maybe for other architectures). Whatever would you want to do that for. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/