Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964942AbVLQVBu (ORCPT ); Sat, 17 Dec 2005 16:01:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964975AbVLQVBu (ORCPT ); Sat, 17 Dec 2005 16:01:50 -0500 Received: from [194.90.237.34] ([194.90.237.34]:52456 "EHLO mtlex01.yok.mtl.com") by vger.kernel.org with ESMTP id S964942AbVLQVBu (ORCPT ); Sat, 17 Dec 2005 16:01:50 -0500 Date: Sat, 17 Dec 2005 23:05:03 +0200 From: "Michael S. Tsirkin" To: Andrew Morton Cc: linux-kernel@vger.kernel.org Subject: Re: kmap_atomic slot collision Message-ID: <20051217210503.GA19246@mellanox.co.il> Reply-To: "Michael S. Tsirkin" References: <20051217123755.aaa73edf.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20051217123755.aaa73edf.akpm@osdl.org> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 675 Lines: 21 Quoting Andrew Morton : > And lo, a bunch of places in the kernel are forgetting to disable local > interrupts. So if your ode is correctly coded as above, you can > scribble > on their kmap, but they cannot scribble on yours. That seems to be what I'm seeing. > Failing to disable local IRQs while taking KM_IRQn is a ghastly bug. > I'll > fix 'em up. Thanks! Pls Cc me on a patch, I'm not on the list. -- MST - 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/