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=-11.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,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 9DE6FC433F5 for ; Sun, 12 Sep 2021 02:02:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7939260FED for ; Sun, 12 Sep 2021 02:02:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234901AbhILCDA (ORCPT ); Sat, 11 Sep 2021 22:03:00 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:45501 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230212AbhILCC7 (ORCPT ); Sat, 11 Sep 2021 22:02:59 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1631412105; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=EyikGfhK6ZBuK8sEBsdOp0Sy5GjF53gp/LzsVSTkDzg=; b=VMYJlNi4efuy/3BMh2V32t2FQoPltAvE4TJUtQDi2QvgtqFoGwnSY4y+zBUdtG2LRxDuMQ GXiFcKY6DvYhrl9lc4UqO0Z99ziKziqivGDxoC0KtyqZ7Z+EEs4jFrnQl0JedpP32mnHKk NfGtMlAhK5GSliQjrPKGv4lQAm3f3ZI= Received: from mail-pg1-f197.google.com (mail-pg1-f197.google.com [209.85.215.197]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-514-E9mNqRwTNl6bUTMG4nayxA-1; Sat, 11 Sep 2021 22:01:43 -0400 X-MC-Unique: E9mNqRwTNl6bUTMG4nayxA-1 Received: by mail-pg1-f197.google.com with SMTP id q22-20020a63e956000000b002524787adb1so4816537pgj.3 for ; Sat, 11 Sep 2021 19:01:43 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:content-transfer-encoding:from:mime-version :subject:date:message-id:references:cc:in-reply-to:to; bh=EyikGfhK6ZBuK8sEBsdOp0Sy5GjF53gp/LzsVSTkDzg=; b=vDaiDD/qapetaLVv7NcYH6xc6owar+WfKDTD+uMFTjEwiV575sn5Rg4tRwiqVLH8cI FV2tmUc5LGI7yhCCCjDtjgKXv663Y25R06ACueLS9BnaTUAksTLfD03FLPgy/tOenLCx 0xBGAqkPpn4ShZthQdqyaMeOs8Yw1hBCy35DWs+6ngSgEnpt4zuTmM/8DHakHJP/XcpL /q6kS+dnq4ib05HF6M2X+J5np8h8NuSpLyQc37HBUuoPWCdQu9/86S+PT9YbNiR2Zm0Z MiKYEHhllF3ceDhRWx5xrdEw6HfQhUTN/YaQFy5OFAD9ENe+xaofcb+Gr7AtDYpMOui+ QaFg== X-Gm-Message-State: AOAM533NoZja2WQZqBgFkXEQ63m7lTVAtTLCAoFob18ST7OSTFr5/gkf ZJhYPqtrvho72+QvRvKPsMRBZeKopYlR/RTr0QMG+E6KrSHGKyjZugzKmIhicOtvDuk9TPLi0EA w/+qR50dXd9YJ/C2b3wuxjw26 X-Received: by 2002:a17:90a:9291:: with SMTP id n17mr5473652pjo.243.1631412102797; Sat, 11 Sep 2021 19:01:42 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxAVlePM7TLoSO1fdiDoUYzdCCOCSTnPzs2ThmCm3HRYLIiLQ9HcJZ5MM1XKYXTmCyGjFMryg== X-Received: by 2002:a17:90a:9291:: with SMTP id n17mr5473608pjo.243.1631412102531; Sat, 11 Sep 2021 19:01:42 -0700 (PDT) Received: from smtpclient.apple ([2600:380:4738:b4a5:7850:2b24:ea76:1118]) by smtp.gmail.com with ESMTPSA id h16sm2869606pfn.215.2021.09.11.19.01.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 11 Sep 2021 19:01:42 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: Josh Poimboeuf Mime-Version: 1.0 (1.0) Subject: Re: [PATCH 1/1] x86: change default to spec_store_bypass_disable=prctl spectre_v2_user=prctl Date: Sat, 11 Sep 2021 19:01:40 -0700 Message-Id: References: <202109111411.C3D58A18EC@keescook> Cc: Andrea Arcangeli , Thomas Gleixner , YiFei Zhu , Linux Containers , YiFei Zhu , bpf , kernel list , Aleksa Sarai , Andy Lutomirski , David Laight , Dimitrios Skarlatos , Giuseppe Scrivano , Hubertus Franke , Jack Chen , Jann Horn , Josep Torrellas , Tianyin Xu , Tobin Feldman-Fitzthum , Tycho Andersen , Valentin Rothberg , Will Drewry , Jiri Kosina , Waiman Long , Andi Kleen In-Reply-To: <202109111411.C3D58A18EC@keescook> To: Kees Cook X-Mailer: iPhone Mail (18G82) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Sep 11, 2021, at 2:13 PM, Kees Cook wrote: >=20 > =EF=BB=BFOn Wed, Nov 04, 2020 at 06:50:54PM -0500, Andrea Arcangeli wrote:= >> Switch the kernel default of SSBD and STIBP to the ones with >> CONFIG_SECCOMP=3Dn (i.e. spec_store_bypass_disable=3Dprctl >> spectre_v2_user=3Dprctl) even if CONFIG_SECCOMP=3Dy. >=20 > Hello x86 maintainers! >=20 > I'd really like to get this landed, so I'll take this via the > seccomp-tree unless someone else speaks up. This keeps falling off > the edge of my TODO list. :) Thanks! You can add my Acked-by: Josh Poimboeuf