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{ "id": 812416, "url": "http://patchwork.ozlabs.org/api/covers/812416/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-imx/cover/20170911152635.95367-1-salyzyn@android.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": "<20170911152635.95367-1-salyzyn@android.com>", "list_archive_url": null, "date": "2017-09-11T15:26:27", "name": "[v3,0/3] arm64: Add CONFIG_KUSER_HELPERS", "submitter": { "id": 66452, "url": "http://patchwork.ozlabs.org/api/people/66452/?format=api", "name": "Mark Salyzyn", "email": "salyzyn@android.com" }, "mbox": "http://patchwork.ozlabs.org/project/linux-imx/cover/20170911152635.95367-1-salyzyn@android.com/mbox/", "series": [ { "id": 2517, "url": "http://patchwork.ozlabs.org/api/series/2517/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-imx/list/?series=2517", "date": "2017-09-11T15:26:27", "name": "arm64: Add CONFIG_KUSER_HELPERS", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/2517/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/812416/comments/", "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; 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a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id;\n\tbh=J4NuZZLG3cq4SM/fk2FW3y7UdDc0HBnx9gklOQ9sTG0=;\n\tb=CVPLjrcNRiRegLMFjqCA+m5yKmKXUnazpO4S28j6AuaTmtYtQF/cwkUjbqka5Wdp0Z\n\tiac6yKp+XBcMohDYjwfqkY/C27/R7yccm+xBovbOvls0bsjLWIXZmxyc6Rdjihe+yPps\n\td7zaGHCu6AsszHGgQhiZQlF8JST1E4Go3+tyWzDG17KROZs7SzEG+tENQPr8GQODvxwM\n\tCyRicuu/GBq+8zZn+XAyStAqDqA/I/teZMLZxdKXUNPOA0dGg1p7XfIJ0ajghteO6NCa\n\tk/DdOV3bXVYLgSsLVbCpWe5PhsQvEy0QXBC0TVz9eQuVKnKL6xYjP+3TeJHJI7dUK+wf\n\tBgoA==", "X-Gm-Message-State": "AHPjjUiWThrTlPybdPAvf+oR+xKxwa1bVWUXIT67FKktX/KSoRdyOMrx\n\tm4ozIy8jMVKJSG2K", "X-Google-Smtp-Source": "ADKCNb5EL9Kezv/51aIxFyfIAnRCGTw8bTp/qqGQacRjIiiEQneC0NlEtEkRDRVemKI5DKfgsRGLEQ==", "X-Received": "by 10.98.219.6 with SMTP id f6mr12359558pfg.59.1505143621839;\n\tMon, 11 Sep 2017 08:27:01 -0700 (PDT)", "From": "Mark Salyzyn <salyzyn@android.com>", "To": "linux-kernel@vger.kernel.org", "Subject": "[PATCH v3 0/3] arm64: Add CONFIG_KUSER_HELPERS", "Date": "Mon, 11 Sep 2017 08:26:27 -0700", "Message-Id": "<20170911152635.95367-1-salyzyn@android.com>", "X-Mailer": "git-send-email 2.14.1.581.gf28d330327-goog", "X-CRM114-Version": "20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ", "X-CRM114-CacheID": "sfid-20170911_082724_424577_8C47A5B7 ", "X-CRM114-Status": "UNSURE ( 7.24 )", "X-CRM114-Notice": "Please train this message.", "X-Spam-Score": "-2.0 (--)", "X-Spam-Report": "SpamAssassin version 3.4.1 on bombadil.infradead.org summary:\n\tContent analysis details: (-2.0 points)\n\tpts rule name description\n\t---- ----------------------\n\t--------------------------------------------------\n\t-0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/,\n\tno\n\ttrust [2607:f8b0:400e:c00:0:0:0:229 listed in] [list.dnswl.org]\n\t-0.0 SPF_PASS SPF: sender matches SPF record\n\t-1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n\t[score: 0.0000]\n\t-0.1 DKIM_VALID Message has at least one valid DKIM or DK signature\n\t0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n\tnot necessarily valid\n\t-0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n\tauthor's domain", "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": "mark.rutland@arm.com, jszhang@marvell.com,\n\tMark Salyzyn <salyzyn@android.com>, ard.biesheuvel@linaro.org,\n\tjohn.stultz@linaro.org, keescook@chromium.org,\n\ttakahiro.akashi@linaro.org, \n\tpeterz@infradead.org, catalin.marinas@arm.com, kevin.brodsky@arm.com, \n\twill.deacon@arm.com, Dave.Martin@arm.com, borntraeger@de.ibm.com,\n\tmmarek@suse.com, james.morse@arm.com,\n\tlinux-arm-kernel@lists.infradead.org, \n\tcredmonster@gmail.com, labbott@redhat.com, mingo@kernel.org,\n\tzijun_hu@htc.com", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "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": "Make it possible to disable the kuser helpers by adding a KUSER_HELPERS\nconfig option (enabled by default). When disabled, all kuser\nhelpers-related code is removed from the kernel and no mapping is done\nat the fixed high address (0xffff0000); any attempt to use a kuser\nhelper from a 32-bit process will result in a segfault.\n\nSigned-off-by: Mark Salyzyn <salyzyn@android.com>\n\nv2:\n- vectors_page and compat_vdso_spec as array of 2\n- free sigpage if vectors allocation failed\n- adjust makefile so one line for each of the assembler source modules\n- split off assembler changes to a new previous patch in series to reduce churn\n- modify slightly the feature documentation to reduce its reach\n- modify slightly the feature documentation to rationalize the yes default.\n- There are more ifdefs as a result of the rebase.\n\nv3:\n- rebase (minor conflicts)" }