From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760574AbXGYMtg (ORCPT ); Wed, 25 Jul 2007 08:49:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762572AbXGYMt1 (ORCPT ); Wed, 25 Jul 2007 08:49:27 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:49227 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752467AbXGYMt0 (ORCPT ); Wed, 25 Jul 2007 08:49:26 -0400 Date: Wed, 25 Jul 2007 14:49:11 +0200 From: Ingo Molnar To: Avi Kivity Cc: kvm-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, shaohua.li@intel.com, rusty@rustcorp.com.au, Andi Kleen Subject: Re: [PATCH 1/3] SCHED: Generic hooks for trapping task preemption Message-ID: <20070725124911.GC6841@elte.hu> References: <11853673872732-git-send-email-avi@qumranet.com> <11853673871109-git-send-email-avi@qumranet.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <11853673871109-git-send-email-avi@qumranet.com> User-Agent: Mutt/1.5.14 (2007-02-12) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.0.3 -1.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Avi Kivity wrote: > This adds a general mechanism whereby a task can request the scheduler > to notify it whenever it is preempted or scheduled back in. This > allows the task to swap any special-purpose registers like the fpu or > Intel's VT registers. ok, this looks very clean, i've added it to my scheduler tree. You've tested this with KVM, on both 32-bit and 64-bit, correct? Ingo