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=-7.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 8BD41C433E1 for ; Tue, 21 Jul 2020 21:21:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 592DC20729 for ; Tue, 21 Jul 2020 21:21:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="fxicQTWx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731143AbgGUVVM (ORCPT ); Tue, 21 Jul 2020 17:21:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34152 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730930AbgGUVVL (ORCPT ); Tue, 21 Jul 2020 17:21:11 -0400 Received: from mail-pg1-x544.google.com (mail-pg1-x544.google.com [IPv6:2607:f8b0:4864:20::544]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 599F4C0619DB for ; Tue, 21 Jul 2020 14:21:11 -0700 (PDT) Received: by mail-pg1-x544.google.com with SMTP id s189so44632pgc.13 for ; Tue, 21 Jul 2020 14:21:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=Wo2KSkt2uKsTjaxUKUx/AXgKzZQLVgE9fv7oC1pgM9U=; b=fxicQTWxrU2WqFRihd/VZT/MbC0QG/JVXizq/OhLoM/dTFzG3ztptOTItob3McBPXl s/8rfUZi4yvPRDPzB4x1DM25Qk+bOwKx9ZxSOBscZuk4ExZ2eBtnhHe9rpBAjbWdJNu3 j1RWLpTE+MfqYyimAtHkTaWYpckroafRcSc40= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=Wo2KSkt2uKsTjaxUKUx/AXgKzZQLVgE9fv7oC1pgM9U=; b=dkJqRizNa3NXcrP3LCMZoet0aGtzCp8HL0cKKEb5E+RjdObBVFQNfoQdwcuMqFXTfC J0zyVqax52XuJd059YQNVKvLxsH5luI6fNxc2uoE0TIeFewizlKoZx9/P5y4opZijTIs 1Z/MiMpdZ91lk4HcqqHWvJ+seamItm927IzzdWlNH5QsxqisJTU8poWmxxQYf9a0LReW ROPShvqE/xxh/W8DGcQ5bRjdT9NeyeOORb7OgrwxHQGJzGjzDTr015AXi76EgSC9Zfor 70ihteyx2RKf6mkJ6RGTV4rokBqZGX+YsYdq1YavYq0WpvtZpPu9uln+Cp8tjYYotDQv lRgw== X-Gm-Message-State: AOAM531H9KdQzRGIxQpFqM28lqgWuMtYtyXWCmC05RVrauyuKrSgP1XQ kIhm+N6iVpir/9a7U9TXJv4RHGojQvY= X-Google-Smtp-Source: ABdhPJxDDnyEVXIY4rLb+RsPBAy4yKWxQVpSGTnpY8gFur3vVyP2p27baBMA8SghPFnQbtOFo9/T2w== X-Received: by 2002:a62:6305:: with SMTP id x5mr26195638pfb.81.1595366470930; Tue, 21 Jul 2020 14:21:10 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id 66sm21380770pfg.63.2020.07.21.14.21.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Jul 2020 14:21:10 -0700 (PDT) Date: Tue, 21 Jul 2020 14:21:09 -0700 From: Kees Cook To: Thomas Gleixner Cc: LKML , x86@kernel.org, linux-arch@vger.kernel.org, Will Deacon , Arnd Bergmann , Mark Rutland , Keno Fischer , Paolo Bonzini , kvm@vger.kernel.org, Gabriel Krisman Bertazi Subject: Re: [patch V4 01/15] seccomp: Provide stub for __secure_computing() Message-ID: <202007211421.FE862FEE@keescook> References: <20200721105706.030914876@linutronix.de> <20200721110808.348199175@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200721110808.348199175@linutronix.de> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 21, 2020 at 12:57:07PM +0200, Thomas Gleixner wrote: > To avoid #ifdeffery in the upcoming generic syscall entry work code provide > a stub for __secure_computing() as this is preferred over > secure_computing() because the TIF flag is already evaluated. > > Signed-off-by: Thomas Gleixner Acked-by: Kees Cook -- Kees Cook