Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932622AbWCPAeI (ORCPT ); Wed, 15 Mar 2006 19:34:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932629AbWCPAeI (ORCPT ); Wed, 15 Mar 2006 19:34:08 -0500 Received: from hqemgate02.nvidia.com ([216.228.112.143]:36644 "EHLO HQEMGATE02.nvidia.com") by vger.kernel.org with ESMTP id S932622AbWCPAeH convert rfc822-to-8bit (ORCPT ); Wed, 15 Mar 2006 19:34:07 -0500 X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Subject: RE: libata/sata_nv latency on NVIDIA CK804 [was Re: AMD64 X2 lost ticks on PM timer] Date: Wed, 15 Mar 2006 16:33:39 -0800 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: libata/sata_nv latency on NVIDIA CK804 [was Re: AMD64 X2 lost ticks on PM timer] Thread-Index: AcZIgrKdMQFSfaIPTAOMkUyX9bfFVQADa5fA From: "Allen Martin" To: "Jeff Garzik" , "Bill Rugolsky Jr." Cc: "Ingo Molnar" , "Lee Revell" , "Andi Kleen" , "Jason Baron" , , "john stultz" X-OriginalArrivalTime: 16 Mar 2006 00:33:39.0815 (UTC) FILETIME=[45620F70:01C64891] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 668 Lines: 20 > >>well, it's a PIO inb() op i think, and could thus in theory > trigger SMM > >>BIOS code. > > > > > > Is there any easy way to disable more SMM stuff than "noacpi"? > > It's unlikely you can disable SMM stuff even with noacpi... > There should be no SMI traps on ATA BARs. At least we don't put any in our reference BIOS and I can't imagine why any of the BIOS vendors or motherboard mfgs would add any. -Allen - 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/