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[23.128.96.18]) by mx.google.com with ESMTP id p13si1239438ejx.235.2020.09.28.13.17.43; Mon, 28 Sep 2020 13:18:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=NZZZsyHQ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726802AbgI1UQP (ORCPT + 99 others); Mon, 28 Sep 2020 16:16:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37220 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726310AbgI1UQO (ORCPT ); Mon, 28 Sep 2020 16:16:14 -0400 Received: from mail-pf1-x442.google.com (mail-pf1-x442.google.com [IPv6:2607:f8b0:4864:20::442]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8914DC061755; Mon, 28 Sep 2020 13:16:14 -0700 (PDT) Received: by mail-pf1-x442.google.com with SMTP id x123so2163887pfc.7; Mon, 28 Sep 2020 13:16:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=n5fs9N7O7kX4WZI+JaZ5Zk9F/Ve3sjOEq/KE/y3eZEA=; b=NZZZsyHQde4tfNecmEB/UwHVyhxXIFIl6/O1nny0WP+j9dJhH+pBYRPhP8MSl140QK InD9RjbRzHGBObk/JneSjeXMH4JucKSx5DzB6OkVmm8Eh5WPSjtBdcsguuEF+L1tOBHS 0teuOg7LPUKGVf57kIlbHTpiFvwupixku8VU27OI5vaz5j1nxcPKWmaLg7rMWTJrswgI C9T0DsyuqYa5HIzqBoRia9AbvGc0R5CX+a2uZ/KLHwrWKmVetxKxydeVw/vuljEdRP4D hE89hploklteLSgB9Ht4BjNaRzMziS1T7Le8UKp1ypjmAGEq1T721TB89vB+LHMCBIGf sQUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=n5fs9N7O7kX4WZI+JaZ5Zk9F/Ve3sjOEq/KE/y3eZEA=; b=WhyxRoG4SYOl4p9uIfs+M9W3qIAWPAwEpqqfuQTCGpMl6/QJXFdoKRpyLrjTIEuRDB Z9hPgeCpx8AbT2j5p0PRbJkkZQRi9f6HySkX4vAcE7g0/7Jq92dM0IEAQzK8eeARN6an 3UJRWcFKthujh2q3/4euURMXv0UuxawbUmUkXZlP77AtY7dk7+Dv234JHJFgrK3etJBl QkwFESwbTyIAQ6CGFLIEVXLbe6CP88XlkfqACU6TMY5gc2qhRQBy5dksYOhq6aA3ymr4 HFvqkszZoQ3DfmfrQoLIvPb8Z77hOSg4rDA7XRsTaIntFAumKLs0T7PTGhjZdHCatqNa dpEA== X-Gm-Message-State: AOAM531SpE6A/9GTDWdKKtmQevLHfrWMfBQbwjPLP63wPA7HyVfBbwED 8zBmJbycfH9ShMOHm3a7/zyzHi+aB1+z0tnotGc= X-Received: by 2002:a17:902:778e:b029:d2:8046:efe2 with SMTP id o14-20020a170902778eb02900d28046efe2mr1026132pll.44.1601324174119; Mon, 28 Sep 2020 13:16:14 -0700 (PDT) MIME-Version: 1.0 References: <20200923232923.3142503-1-keescook@chromium.org> <43039bb6-9d9f-b347-fa92-ea34ccc21d3d@rasmusvillemoes.dk> <27b4ef86-fee5-fc35-993b-3352ce504c73@rasmusvillemoes.dk> <202009281259.D7D18AE95@keescook> In-Reply-To: <202009281259.D7D18AE95@keescook> From: YiFei Zhu Date: Mon, 28 Sep 2020 15:16:02 -0500 Message-ID: Subject: Re: [PATCH v1 0/6] seccomp: Implement constant action bitmaps To: Kees Cook Cc: Rasmus Villemoes , YiFei Zhu , Andrea Arcangeli , Giuseppe Scrivano , Will Drewry , bpf , Jann Horn , Linux API , Linux Containers , Tobin Feldman-Fitzthum , Hubertus Franke , Andy Lutomirski , Valentin Rothberg , Dimitrios Skarlatos , Jack Chen , Josep Torrellas , Tianyin Xu , kernel list Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 28, 2020 at 3:04 PM Kees Cook wrote: > Regardless, let's take things one step at a time. First, let's do > the simplest version of the feature, and then let's look at further > optimizations. > > Can you send a v3 and we can continue from there? ok, will do later tonight / tomorrow. YiFeiZhu