From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D2CE2C4321A for ; Thu, 27 Jun 2019 22:14:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A4DB4208CB for ; Thu, 27 Jun 2019 22:14:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=zytor.com header.i=@zytor.com header.b="y2XCS2jv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726651AbfF0WOH (ORCPT ); Thu, 27 Jun 2019 18:14:07 -0400 Received: from terminus.zytor.com ([198.137.202.136]:44759 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726539AbfF0WOG (ORCPT ); Thu, 27 Jun 2019 18:14:06 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id x5RMDAoA472374 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Thu, 27 Jun 2019 15:13:11 -0700 DKIM-Filter: OpenDKIM Filter v2.11.0 terminus.zytor.com x5RMDAoA472374 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2019061801; t=1561673591; bh=oNQW3R0Fq1NiXUpePESWOXF0yCeNhTbXhZSMVXdz8tQ=; h=Date:From:Cc:Reply-To:In-Reply-To:References:To:Subject:From; b=y2XCS2jvCKiQNHlwVKe5dqb3OTgDqs9KY+hVzZnPmh4mVzsHSeD4xYsVSIcqJkBp1 KxWoX82FRud2RH/hS0zTiQL8sYJdr8yp8O23xWWpza+65fIX8fiXXUKBdMpaACUtIn brRmeOTVUzmXcfYTRgeqCtoPOKTi11OdyNEXAMlHMaPa8ltVgw2glK6j0Vc2olsP1V cXTeZc2S+6W9GDwMnGqLcuyxTz2tgldtH20K+ekzx4vx3sRHXfUdiOnPAPF9uWRcJF 7yRT1PpOTb/hGzn5o9hOb4ELwIEsRoU1aeSiam8f32gALbrpZhRjNH4bPsqeGjza0o HyD51RpVPFNeA== Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id x5RMD9a3472369; Thu, 27 Jun 2019 15:13:09 -0700 Date: Thu, 27 Jun 2019 15:13:09 -0700 X-Authentication-Warning: terminus.zytor.com: tipbot set sender to tipbot@zytor.com using -f From: tip-bot for Andy Lutomirski Message-ID: Cc: bp@alien8.de, fweimer@redhat.com, jannh@google.com, hpa@zytor.com, kernel-hardening@lists.openwall.com, mingo@kernel.org, luto@kernel.org, tglx@linutronix.de, keescook@chromium.org, linux-kernel@vger.kernel.org, peterz@infradead.org Reply-To: bp@alien8.de, fweimer@redhat.com, jannh@google.com, mingo@kernel.org, luto@kernel.org, hpa@zytor.com, kernel-hardening@lists.openwall.com, tglx@linutronix.de, keescook@chromium.org, peterz@infradead.org, linux-kernel@vger.kernel.org In-Reply-To: References: To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/entry] Documentation/admin: Remove the vsyscall=native documentation Git-Commit-ID: d974ffcfb7447db5f29a4b662a3eaf99a4e1109e X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: d974ffcfb7447db5f29a4b662a3eaf99a4e1109e Gitweb: https://git.kernel.org/tip/d974ffcfb7447db5f29a4b662a3eaf99a4e1109e Author: Andy Lutomirski AuthorDate: Wed, 26 Jun 2019 21:45:02 -0700 Committer: Thomas Gleixner CommitDate: Fri, 28 Jun 2019 00:04:38 +0200 Documentation/admin: Remove the vsyscall=native documentation The vsyscall=native feature is gone -- remove the docs. Fixes: 076ca272a14c ("x86/vsyscall/64: Drop "native" vsyscalls") Signed-off-by: Andy Lutomirski Signed-off-by: Thomas Gleixner Acked-by: Kees Cook Cc: Florian Weimer Cc: Jann Horn Cc: stable@vger.kernel.org Cc: Borislav Petkov Cc: Kernel Hardening Cc: Peter Zijlstra Link: https://lkml.kernel.org/r/d77c7105eb4c57c1a95a95b6a5b8ba194a18e764.1561610354.git.luto@kernel.org --- Documentation/admin-guide/kernel-parameters.txt | 6 ------ 1 file changed, 6 deletions(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 138f6664b2e2..0082d1e56999 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -5102,12 +5102,6 @@ emulate [default] Vsyscalls turn into traps and are emulated reasonably safely. - native Vsyscalls are native syscall instructions. - This is a little bit faster than trapping - and makes a few dynamic recompilers work - better than they would in emulation mode. - It also makes exploits much easier to write. - none Vsyscalls don't work at all. This makes them quite hard to use for exploits but might break your system.