Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753317AbYHIRxB (ORCPT ); Sat, 9 Aug 2008 13:53:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750707AbYHIRwu (ORCPT ); Sat, 9 Aug 2008 13:52:50 -0400 Received: from mga09.intel.com ([134.134.136.24]:11759 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751201AbYHIRwt (ORCPT ); Sat, 9 Aug 2008 13:52:49 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.31,334,1215414000"; d="scan'208";a="427734853" Date: Sat, 9 Aug 2008 10:52:48 -0700 From: Suresh Siddha To: Herbert Xu Cc: "Siddha, Suresh B" , "H. Peter Anvin" , Wolfgang Walter , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Ingo Molnar , "viro@ZenIV.linux.org.uk" , "vegard.nossum@gmail.com" , austin zhang Subject: Re: Kernel oops with 2.6.26, padlock and ipsec: probably problem with fpu state changes Message-ID: <20080809175247.GD13158@linux-os.sc.intel.com> References: <200807171653.59177.wolfgang.walter@stwm.de> <20080806201401.GA607@linux-os.sc.intel.com> <200808071823.02364.wolfgang.walter@stwm.de> <200808081236.55172.wolfgang.walter@stwm.de> <20080808185356.GC607@linux-os.sc.intel.com> <489C97FB.2030408@zytor.com> <20080808231121.GA13158@linux-os.sc.intel.com> <20080809003829.GA25926@gondor.apana.org.au> <20080809142918.GA30387@gondor.apana.org.au> <20080809143259.GA30451@gondor.apana.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080809143259.GA30451@gondor.apana.org.au> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 828 Lines: 18 On Sat, Aug 09, 2008 at 07:32:59AM -0700, Herbert Xu wrote: > On Sat, Aug 09, 2008 at 10:29:18PM +0800, Herbert Xu wrote: > > > > OK I take that back, Intel (and AMD) processors are equally affected > > by this. For a start, the newly added Intel crc32c driver suffers > > from exactly the same problem since the instruction used is also > > SSE. > > Actually I was mistaken, Intel has done the right thing by not > generating a fault on crc32c with TS set. Yes, the documentation seems to says so. But I am double checking with experts inside, to make sure we got the SDM right. -- 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/