From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757340AbZBLI2Y (ORCPT ); Thu, 12 Feb 2009 03:28:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753098AbZBLI2P (ORCPT ); Thu, 12 Feb 2009 03:28:15 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:54757 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751161AbZBLI2O (ORCPT ); Thu, 12 Feb 2009 03:28:14 -0500 Date: Thu, 12 Feb 2009 09:27:51 +0100 From: Ingo Molnar To: Frederic Weisbecker Cc: Thomas Gleixner , LKML , rt-users , Steven Rostedt , Peter Zijlstra , Carsten Emde , Clark Williams Subject: Re: [patch] rt: fix ipi kfree(), introduce IPI_SOFTIRQ Message-ID: <20090212082751.GA29856@elte.hu> References: <20090212005032.GA4788@nowhere> <20090212021257.GB4697@nowhere> <20090212081801.GA22979@elte.hu> <20090212081923.GA26838@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090212081923.GA26838@elte.hu> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Ingo Molnar wrote: > * Ingo Molnar wrote: > > > hm, that's a complex one - we do kfree() from IPI context, [...] > > The patch below might do the trick - it offloads this to a softirq. > Not tested yet. ok, it's lightly tested now: it built and booted up fine to X with your config. Ingo