Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757961AbZF3Bj2 (ORCPT ); Mon, 29 Jun 2009 21:39:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751680AbZF3BjU (ORCPT ); Mon, 29 Jun 2009 21:39:20 -0400 Received: from terminus.zytor.com ([198.137.202.10]:46400 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751486AbZF3BjT (ORCPT ); Mon, 29 Jun 2009 21:39:19 -0400 Message-ID: <4A496A0C.809@kernel.org> Date: Mon, 29 Jun 2009 18:27:40 -0700 From: "H. Peter Anvin" Organization: Linux Kernel Organization, Inc. User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Marc Aurele La France CC: stable@kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, "H. Peter Anvin" , Research.Support@ualberta.ca Subject: Re: [PATCH] x86, setup (2.6.30-stable) fix 80x34 and 80x60 console modes References: In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 877 Lines: 20 Marc Aurele La France wrote: > As coded, most INT10 calls in video-vga.c allow the compiler to assume EAX > remains unchanged across them, which is not always the case. This > triggers an optimisation issue that causes vga_set_vertical_end() to be > called with an incorrect number of scanlines. Fix this by beefing up the > asm constraints on these calls. > > Reported-by: Marc Aurele La France > Signed-off-by: Marc Aurele La France > Acked-by: H. Peter Anvin Note: this is not in upstream since upstream is not affected due to the new "BIOS glovebox" subsystem. -hpa -- 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/