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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 ","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":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"mark.rutland@arm.com, jszhang@marvell.com,\n\tMark Salyzyn , 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\" ","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 \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)"}