Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936467Ab0GSRzU (ORCPT ); Mon, 19 Jul 2010 13:55:20 -0400 Received: from wolverine02.qualcomm.com ([199.106.114.251]:13251 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934391Ab0GSRzR (ORCPT ); Mon, 19 Jul 2010 13:55:17 -0400 X-IronPort-AV: E=McAfee;i="5400,1158,6048"; a="47790614" Message-ID: <4C449183.20000@codeaurora.org> Date: Mon, 19 Jul 2010 10:55:15 -0700 From: Michael Bohan User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.9) Gecko/20100317 Thunderbird/3.0.4 MIME-Version: 1.0 To: Russell King - ARM Linux CC: Tim HRM , Zach Pfeffer , FUJITA Tomonori , ebiederm@xmission.com, linux-arch@vger.kernel.org, dwalker@codeaurora.org, mel@csn.ul.ie, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, andi@firstfloor.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [RFC 1/3 v3] mm: iommu: An API to unify IOMMU, CPU and device memory management References: <4C3C0032.5020702@codeaurora.org> <20100713150311B.fujita.tomonori@lab.ntt.co.jp> <20100713121420.GB4263@codeaurora.org> <20100714104353B.fujita.tomonori@lab.ntt.co.jp> <20100714201149.GA14008@codeaurora.org> <20100714220536.GE18138@n2100.arm.linux.org.uk> <20100715012958.GB2239@codeaurora.org> <20100715085535.GC26212@n2100.arm.linux.org.uk> <20100716075856.GC16124@n2100.arm.linux.org.uk> In-Reply-To: <20100716075856.GC16124@n2100.arm.linux.org.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 762 Lines: 20 On 7/16/2010 12:58 AM, Russell King - ARM Linux wrote: > As the patch has been out for RFC since early April on the linux-arm-kernel > mailing list (Subject: [RFC] Prohibit ioremap() on kernel managed RAM), > and no comments have come back from Qualcomm folk. Would it be unreasonable to allow a map request to succeed if the requested attributes matched that of the preexisting mapping? Michael -- Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum -- 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/