From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757252AbZFVO43 (ORCPT ); Mon, 22 Jun 2009 10:56:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756832AbZFVO4J (ORCPT ); Mon, 22 Jun 2009 10:56:09 -0400 Received: from ares.ids.de ([88.79.252.171]:47042 "HELO ares.ids.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1756964AbZFVO4H convert rfc822-to-8bit (ORCPT ); Mon, 22 Jun 2009 10:56:07 -0400 X-Greylist: delayed 1489 seconds by postgrey-1.27 at vger.kernel.org; Mon, 22 Jun 2009 10:55:57 EDT X-PGP-Universal: processed; by ares.ids.de on Mon, 22 Jun 2009 16:30:24 +0200 From: To: , CC: , Date: Mon, 22 Jun 2009 16:31:07 +0200 Subject: AW: PowerPC PCI DMA issues (prefetch/coherency?) Thread-Topic: PowerPC PCI DMA issues (prefetch/coherency?) Thread-Index: AcnwB8v0OR7NQk8dT4eVE0fA/grvlwDPPAh7 Message-ID: <4206182445660643B9AEB8D4E55BBD0A08533B67B5@HERMES2> References: <4A37A503.3030209@oxtel.com> <20090616162114.GA5051@loki.buserror.net> <4A37C97A.5050508@oxtel.com> <4A37CC72.3060709@freescale.com> <4A37CF02.5080906@oxtel.com> <4A37D073.6020802@freescale.com> <4A38A21B.5060306@oxtel.com> <4A38ED31.9030705@oxtel.com>,<4A3A23FA.1000407@oxtel.com> In-Reply-To: <4A3A23FA.1000407@oxtel.com> Accept-Language: de-DE X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: de-DE MIME-Version: 1.0 Content-Language: de-DE Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >The other part of the fix is in asm-powerpc/pgtable32.h. _PAGE_BASE >needs _PAGE_COHERENT in order to work correctly, and in fact there is >now a comment in there to that affect in 2.6.29. Backporting that change >has made it work on 2.6.26. Both this patch, and the fix to head_32.S >are needed for it to work correctly on older kernels. > >Chris Hello Chris, sorry for dummy, but if it possible, could you, please, send a corresponding summary patch of backporting you've done for older kernels? or just summary of that changes once again? Many thanks Sergej. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ares.ids.de (ares.ids.de [88.79.252.171]) by bilbo.ozlabs.org (Postfix) with SMTP id 89C49B70B1 for ; Tue, 23 Jun 2009 00:56:01 +1000 (EST) From: To: , Date: Mon, 22 Jun 2009 16:31:07 +0200 Subject: AW: PowerPC PCI DMA issues (prefetch/coherency?) Message-ID: <4206182445660643B9AEB8D4E55BBD0A08533B67B5@HERMES2> References: <4A37A503.3030209@oxtel.com> <20090616162114.GA5051@loki.buserror.net> <4A37C97A.5050508@oxtel.com> <4A37CC72.3060709@freescale.com> <4A37CF02.5080906@oxtel.com> <4A37D073.6020802@freescale.com> <4A38A21B.5060306@oxtel.com> <4A38ED31.9030705@oxtel.com>,<4A3A23FA.1000407@oxtel.com> In-Reply-To: <4A3A23FA.1000407@oxtel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , >The other part of the fix is in asm-powerpc/pgtable32.h. _PAGE_BASE >needs _PAGE_COHERENT in order to work correctly, and in fact there is >now a comment in there to that affect in 2.6.29. Backporting that change >has made it work on 2.6.26. Both this patch, and the fix to head_32.S >are needed for it to work correctly on older kernels. > >Chris Hello Chris, sorry for dummy, but if it possible, could you, please, send a correspondin= g summary patch of backporting you've done for older kernels? or just summary of that changes once again? Many thanks Sergej.=