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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 5982FC74A35 for ; Thu, 11 Jul 2019 13:06:46 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id A613021019 for ; Thu, 11 Jul 2019 13:06:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="W+eYmai1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A613021019 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-16405-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 3442 invoked by uid 550); 11 Jul 2019 13:06:37 -0000 Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Received: (qmail 3424 invoked from network); 11 Jul 2019 13:06:36 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562850384; bh=bI7P/JiKe8i673RB+8uZZ7KGdqMIu1kiJ+67svzY7XE=; h=Subject:To:Cc:From:Date:From; b=W+eYmai1z9AvJcKxW1HVRetgL5L1q1qDCM63Hd+vYxtdr9MddSICrLypt/OB4v3oV xCnTrBn+nE9xuqBr/OouyXrLEhnBaKTSIWZhn43lBhcZ6/JcFbzXsA+GDeSDQKYupS 2d9HFxyZFiKoK4f2SYpq623LWsFxL7XRVGcL3gZc= Subject: Patch "Documentation/admin: Remove the vsyscall=native documentation" has been added to the 4.19-stable tree To: bp@alien8.de,fweimer@redhat.com,gregkh@linuxfoundation.org,jannh@google.com,keescook@chromium.org,kernel-hardening@lists.openwall.com,luto@kernel.org,peterz@infradead.org,tglx@linutronix.de Cc: From: Date: Thu, 11 Jul 2019 13:45:25 +0200 Message-ID: <156284552510181@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit X-stable: commit X-Patchwork-Hint: ignore This is a note to let you know that I've just added the patch titled Documentation/admin: Remove the vsyscall=native documentation to the 4.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: documentation-admin-remove-the-vsyscall-native-documentation.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >From d974ffcfb7447db5f29a4b662a3eaf99a4e1109e Mon Sep 17 00:00:00 2001 From: Andy Lutomirski Date: Wed, 26 Jun 2019 21:45:02 -0700 Subject: Documentation/admin: Remove the vsyscall=native documentation From: Andy Lutomirski commit d974ffcfb7447db5f29a4b662a3eaf99a4e1109e upstream. 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 Signed-off-by: Greg Kroah-Hartman --- Documentation/admin-guide/kernel-parameters.txt | 6 ------ 1 file changed, 6 deletions(-) --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -4976,12 +4976,6 @@ 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. Patches currently in stable-queue which might be from luto@kernel.org are queue-4.19/documentation-admin-remove-the-vsyscall-native-documentation.patch