From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 21 Jan 2002 10:41:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 21 Jan 2002 10:41:17 -0500 Received: from colorfullife.com ([216.156.138.34]:5394 "EHLO colorfullife.com") by vger.kernel.org with ESMTP id ; Mon, 21 Jan 2002 10:41:12 -0500 Message-ID: <3C4C3680.39DD06D8@colorfullife.com> Date: Mon, 21 Jan 2002 16:40:48 +0100 From: Manfred Spraul X-Mailer: Mozilla 4.78 [en] (X11; U; Linux 2.4.17 i686) X-Accept-Language: en, de MIME-Version: 1.0 To: mingo@elte.hu CC: linux-kernel , Linus Torvalds Subject: Re: [sched] [patch] migration-fixes-2.5.3-pre2-A1 In-Reply-To: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Ingo Molnar wrote: > > So i think the P6 documentation is a pessimisation of the true situation, > and that we can very well have multiple interrupts on the same priority > level even on older APICs - as long as the local timer interrupt is not > amongst them. > You are right. I tried to reproduce it (force cpu1 to priority 15, send 4 ipis to priority 14 from cpu0, check that all arrive), and it seems that the pIII doesn't drop ipi messages. -- Manfred