Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755152Ab1EaNRg (ORCPT ); Tue, 31 May 2011 09:17:36 -0400 Received: from DMZ-MAILSEC-SCANNER-8.MIT.EDU ([18.7.68.37]:57253 "EHLO dmz-mailsec-scanner-8.mit.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754720Ab1EaNR2 (ORCPT ); Tue, 31 May 2011 09:17:28 -0400 X-AuditID: 12074425-b7b78ae000007e02-c0-4de4ea5544ed From: Andy Lutomirski To: Ingo Molnar , x86@kernel.org Cc: Thomas Gleixner , linux-kernel@vger.kernel.org, Jesper Juhl , Borislav Petkov , Linus Torvalds , Andrew Morton , Arjan van de Ven , Jan Beulich , richard -rw- weinberger , Mikael Pettersson , Andi Kleen , Andy Lutomirski Subject: [PATCH v3 10/10] x86-64: Add CONFIG_UNSAFE_VSYSCALLS to feature-removal-schedule Date: Tue, 31 May 2011 09:16:04 -0400 Message-Id: <7e604b2dd699a30204fda3d1011f3af5a2c56572.1306847455.git.luto@mit.edu> X-Mailer: git-send-email 1.7.5.1 In-Reply-To: References: In-Reply-To: References: X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrPKsWRmVeSWpSXmKPExsUixCmqrRv66omvwdEDnBZz1q9hs+i7cpTd 4si17+wWs67xWnze8I/N4sCvp2wW769uZ7O4vGsOm8WT5uuMFlsuNbNafJi4gc1i86apzBaP +t6yW/zY8JjVgc/je2sfi8exM4cZPW61/WH2mL/zI6PHzll32T02r9Dy+P/yCJvHplWdbB7v zp1j9zgx4zeLx/Ezzh6fN8kF8ERx2aSk5mSWpRbp2yVwZbz7fY694DZ7xcSNCxgbGM+ydTFy ckgImEhsmPGPEcIWk7hwbz1QnItDSGAfo8S5jb/ZIZwNjBJnGyYyQjjPmCQe3t3IAtLCJqAi 0bH0AVMXIweHiIC+xNXPYDXMApNYJA7/PQ1WIywQKXF70l5WEJtFQFVi15fJ7CA2r0CQxPV9 79ghVitIXLkyD6yeU8BAonnlGrDzhIBm3n9yhRmX+ARGgQWMDKsYZVNyq3RzEzNzilOTdYuT E/PyUot0LfRyM0v0UlNKNzGC4obdRXUH44RDSocYBTgYlXh42w8+9hViTSwrrsw9xCjJwaQk ynv25RNfIb6k/JTKjMTijPii0pzU4kOMEhzMSiK83/iAcrwpiZVVqUX5MClpDhYlcd75kuq+ QgLpiSWp2ampBalFMFkZDg4lCd4ZIEMFi1LTUyvSMnNKENJMHJwgw3mAhp8EqeEtLkjMLc5M h8ifYtTlaFy74yCjEEtefl6qlDhvFkiRAEhRRmke3BxYunvFKA70ljBvP0gVDzBVwk16BbSE CWhJ77uHIEtKEhFSUg2MS+IfFC0pimXZNifvmCX7LV+x6+0TPgtteX4sa1/jizlcd3vn7z4U /H3+59fBdqIsm7e7fFe1TOs6s+72jkvB+Z6fJE4k7s1f8vvOzQcWd2Il37yLLT+/KaXK/+OV ecdOMXTu32omdsSpddsffVVJla8M6VsvcbmZ/XG9q9/9N+rCIa2UjUHv2ZRYijMSDbWYi4oT AYXfCFZSAwAA Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1207 Lines: 30 Signed-off-by: Andy Lutomirski --- Documentation/feature-removal-schedule.txt | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 492e81d..db7a122 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -580,3 +580,12 @@ Why: These legacy callbacks should no longer be used as i2c-core offers Who: Jean Delvare ---------------------------- + +What: CONFIG_UNSAFE_VSYSCALLS (x86_64) +When: When glibc 2.14 or newer is ubitquitous. Perhaps mid-2012. +Why: Having user-executable code at a fixed address is a security problem. + Turning off CONFIG_UNSAFE_VSYSCALLS mostly removes the risk but will + make the time() function slower on glibc versions 2.13 and below. +Who: Andy Lutomirski + +---------------------------- -- 1.7.5.1 -- 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/