Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 1 Aug 2002 12:08:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 1 Aug 2002 12:08:41 -0400 Received: from pc2-cwma1-5-cust12.swa.cable.ntl.com ([80.5.121.12]:37104 "EHLO irongate.swansea.linux.org.uk") by vger.kernel.org with ESMTP id ; Thu, 1 Aug 2002 12:08:41 -0400 Subject: Re: [patch] vm86: Clear AC on INT From: Alan Cox To: Kasper Dupont Cc: root@chaos.analogic.com, stas.orel@mailcity.com, linux-kernel@vger.kernel.org In-Reply-To: <3D4959EF.15022EE8@daimi.au.dk> References: <1028220750.15022.67.camel@irongate.swansea.linux.org.uk> <3D4959EF.15022EE8@daimi.au.dk> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.3 (1.0.3-6) Date: 01 Aug 2002 18:28:20 +0100 Message-Id: <1028222900.14871.77.camel@irongate.swansea.linux.org.uk> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 823 Lines: 17 On Thu, 2002-08-01 at 16:55, Kasper Dupont wrote: > This would be similar to the use of the use of the VIF flag to > emulate the IF flag. This flag has actually got me wondering: > AFAIR the flag is mentioned in Intel specs, but it looks like > in Linux the flag is implemented 100% in software with no help > from the CPU. Is that correct, or did I miss something? The kernel itself doesn't use the alignment flags but some applications do. For example some language systems use alignment traps for typechecking by adding a type code (0-3) to the address and dereferencing it - 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/