From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 25 Feb 2015 15:42:31 +0100 (CET) Received: from ec2-54-201-57-178.us-west-2.compute.amazonaws.com ([54.201.57.178]:51357 "EHLO ip-172-31-12-36.us-west-2.compute.internal" rhost-flags-OK-OK-OK-FAIL) by eddie.linux-mips.org with ESMTP id S27007100AbbBYOmalVR2P (ORCPT ); Wed, 25 Feb 2015 15:42:30 +0100 Received: by ip-172-31-12-36.us-west-2.compute.internal (Postfix, from userid 1001) id 43EAC4B7BF; Wed, 25 Feb 2015 14:41:28 +0000 (UTC) Date: Wed, 25 Feb 2015 14:41:28 +0000 From: dwalker@fifo99.com To: David Daney Cc: linux-mips@linux-mips.org Subject: octeon disable SWIOTLB Message-ID: <20150225144128.GB27513@fifo99.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 45958 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: dwalker@fifo99.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips Hi, Back in 2010 you made CONFIG_SWIOTLB mandatory (commit b93b2a). This prevents the Continuous memory allocation from being enabled. Would you be willing to accept a patch which allows this option to be disabled if CONFIG_EXPERT is set? I suspect some users of Octeon can review their hardware to be sure it's save to do. Daniel