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GET /api/patches/818138/?format=api
{ "id": 818138, "url": "http://patchwork.ozlabs.org/api/patches/818138/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-imx/patch/1506330344-31556-5-git-send-email-vladimir.murzin@arm.com/", "project": { "id": 19, "url": "http://patchwork.ozlabs.org/api/projects/19/?format=api", "name": "Linux IMX development", "link_name": "linux-imx", "list_id": "linux-imx-kernel.lists.patchwork.ozlabs.org", "list_email": "linux-imx-kernel@lists.patchwork.ozlabs.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1506330344-31556-5-git-send-email-vladimir.murzin@arm.com>", "list_archive_url": null, "date": "2017-09-25T09:05:40", "name": "[v3,4/8] ARM: NOMMU: Disallow MPU for XIP", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "bc48d5bf591971309b22d7c8c999972cbf6ccc59", "submitter": { "id": 65248, "url": "http://patchwork.ozlabs.org/api/people/65248/?format=api", "name": "Vladimir Murzin", "email": "vladimir.murzin@arm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-imx/patch/1506330344-31556-5-git-send-email-vladimir.murzin@arm.com/mbox/", "series": [ { "id": 4911, "url": "http://patchwork.ozlabs.org/api/series/4911/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-imx/list/?series=4911", "date": "2017-09-25T09:05:36", "name": "ARM: NOMMU: MPU updates", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/4911/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/818138/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/818138/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming-imx@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming-imx@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.infradead.org\n\t(client-ip=65.50.211.133; helo=bombadil.infradead.org;\n\tenvelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=lists.infradead.org\n\theader.i=@lists.infradead.org\n\theader.b=\"dmUAGTiF\"; dkim-atps=neutral" ], "Received": [ "from bombadil.infradead.org (bombadil.infradead.org\n\t[65.50.211.133])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3y0yt13x0Cz9sDB\n\tfor <incoming-imx@patchwork.ozlabs.org>;\n\tMon, 25 Sep 2017 19:08:09 +1000 (AEST)", "from localhost ([127.0.0.1] helo=bombadil.infradead.org)\n\tby bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux))\n\tid 1dwPMy-0002pJ-R2; Mon, 25 Sep 2017 09:08:04 +0000", "from foss.arm.com ([217.140.101.70])\n\tby bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux))\n\tid 1dwPLT-0001N1-IU for linux-arm-kernel@lists.infradead.org;\n\tMon, 25 Sep 2017 09:06:37 +0000", "from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249])\n\tby usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 0A521169F;\n\tMon, 25 Sep 2017 02:06:12 -0700 (PDT)", "from bc-c11-3-12.euhpc.arm.com. (bc-c11-3-12.euhpc.arm.com\n\t[10.6.2.250])\n\tby usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id\n\t7BF8C3F3E1; Mon, 25 Sep 2017 02:06:10 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=lists.infradead.org; s=bombadil.20170209; h=Sender:\n\tContent-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post:\n\tList-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:\n\tMessage-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description:\n\tResent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:\n\tList-Owner; bh=aS9QulGyDs+uEAal9mDLVJZfVyNve4Hqo+n9DUNQSNc=;\n\tb=dmUAGTiFqUS61n\n\tiXA+ykbLHvO/VgYox6BFpADa8N5r039WJwnZGbyzLAqEaECM1+bSFmWp3EA35IEy71pcKEa7WPhk8\n\tQqNb7cFtJjL4OAWxeX36+HMgY1X3hEy1kFY/y5GPiQTxJ30wcRmLBG+cu2DJLq6KeNRmyCrWbgUCu\n\tCbo2/MHgf03RU3madX8+i2TmiGBIGhrkHvnk72RI6V7AAymJ33ajfkvfveSepi/0FxascHJs4VDde\n\tSOcKtlWRkqj8ClPbDBZIW6BBSwuWszFMu+nFqF1BmvlvQcQ+oZ83kQusHCqS70Fd5wt+uIdqyIY3H\n\tUpPSi+VanK2nztcvG7ew==;", "From": "Vladimir Murzin <vladimir.murzin@arm.com>", "To": "linux-arm-kernel@lists.infradead.org", "Subject": "[PATCH v3 4/8] ARM: NOMMU: Disallow MPU for XIP", "Date": "Mon, 25 Sep 2017 10:05:40 +0100", "Message-Id": "<1506330344-31556-5-git-send-email-vladimir.murzin@arm.com>", "X-Mailer": "git-send-email 2.0.0", "In-Reply-To": "<1506330344-31556-1-git-send-email-vladimir.murzin@arm.com>", "References": "<1506330344-31556-1-git-send-email-vladimir.murzin@arm.com>", "MIME-Version": "1.0", "X-CRM114-Version": "20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ", "X-CRM114-CacheID": "sfid-20170925_020631_930746_8CA03CE3 ", "X-CRM114-Status": "UNSURE ( 8.05 )", "X-CRM114-Notice": "Please train this message.", "X-Spam-Score": "-6.9 (------)", "X-Spam-Report": "SpamAssassin version 3.4.1 on bombadil.infradead.org summary:\n\tContent analysis details: (-6.9 points)\n\tpts rule name description\n\t---- ----------------------\n\t--------------------------------------------------\n\t-5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/,\n\thigh trust [217.140.101.70 listed in list.dnswl.org]\n\t-0.0 SPF_PASS SPF: sender matches SPF record\n\t-0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay\n\tdomain\n\t-1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n\t[score: 0.0000]", "X-BeenThere": "linux-arm-kernel@lists.infradead.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/linux-arm-kernel/>", "List-Post": "<mailto:linux-arm-kernel@lists.infradead.org>", "List-Help": "<mailto:linux-arm-kernel-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe>", "Cc": "alexandre.torgue@st.com, manabian@gmail.com, linux@armlinux.org.uk,\n\tstefan@agner.ch, kbuild-all@01.org, u.kleine-koenig@pengutronix.de,\n\tsza@esh.hu", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Sender": "\"linux-arm-kernel\" <linux-arm-kernel-bounces@lists.infradead.org>", "Errors-To": "linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org", "List-Id": "linux-imx-kernel.lists.patchwork.ozlabs.org" }, "content": "It seems that MPU never worked with XIP, so we just disallow such\ncombination.\n\nTested-by: Szemző András <sza@esh.hu>\nTested-by: Alexandre TORGUE <alexandre.torgue@st.com>\nSigned-off-by: Vladimir Murzin <vladimir.murzin@arm.com>\n---\n arch/arm/Kconfig-nommu | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)", "diff": "diff --git a/arch/arm/Kconfig-nommu b/arch/arm/Kconfig-nommu\nindex b757634..6d18395 100644\n--- a/arch/arm/Kconfig-nommu\n+++ b/arch/arm/Kconfig-nommu\n@@ -52,7 +52,7 @@ config REMAP_VECTORS_TO_RAM\n \n config ARM_MPU\n bool 'Use the ARM v7 PMSA Compliant MPU'\n- depends on CPU_V7\n+ depends on !XIP_KERNEL && CPU_V7\n default y\n help\n Some ARM systems without an MMU have instead a Memory Protection\n", "prefixes": [ "v3", "4/8" ] }