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=-11.4 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 15C44C4727E for ; Thu, 1 Oct 2020 21:11:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C0C2220754 for ; Thu, 1 Oct 2020 21:10:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="phZLfcc1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727713AbgJAVIv (ORCPT ); Thu, 1 Oct 2020 17:08:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34868 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726581AbgJAVIe (ORCPT ); Thu, 1 Oct 2020 17:08:34 -0400 Received: from mail-ej1-x642.google.com (mail-ej1-x642.google.com [IPv6:2a00:1450:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3161AC0613E2 for ; Thu, 1 Oct 2020 14:08:34 -0700 (PDT) Received: by mail-ej1-x642.google.com with SMTP id p9so10093153ejf.6 for ; Thu, 01 Oct 2020 14:08:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=9xdqL6cUOxwNImAGbPqaJhmve2+c4zuAd6VkudhDv6E=; b=phZLfcc15Ka79PK3Ed6XBrK4N+ZNchA2bFO86TvVtOc950Psuk0y9/kQKkWgIvDSeN YjyuXO1K1p828Tf5OE/n0pHfpEA5q7Ti5DgUsCXz/b+lrDR3AIwZAZ5aFFmCwZxDQexR yiLOLcKi2SsRwqqdkcZX/NSe/StY1Vj+XY8mTic9gwB2uPErgZO4Or8u5UDVhhrxIPgl kUME/C0aR0S9tpgl96xnwhvLswQrUQ7hxN3ARq1prxVE/GoF1dmHi+a8V7BzMCHVB6Gt 1c4gbLgTOkQ/FDI7bEwUfnqk/2GMkmm+DoOLn4VtQnptPaX5XUxk2PTcyV1juD/vL0VF uCIg== 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=9xdqL6cUOxwNImAGbPqaJhmve2+c4zuAd6VkudhDv6E=; b=nuLVn1tPygKCIXZSHZ0BFLqrjk8YEFLpTHU1rf5qLvrl6stp3Uny5kNb9CScZhr0MP qutb3J2JStxIN4vGkiAkF+G2ay8GhaR4eyd9sPs3hvBEBGYWwO/I0p/XuwDT0j0wNyYJ 0K1p5wxaZ0sCUojkhAf3KEnWXX9DZTWppuuUzQ8iy5WWBuXsPpzijhmdC8TyoIDEgwHc CikNgorZcOgxY9k0XFOALupyXYfg0HhMnuih27LW8G90iQYkXLHnqi61bOuVALkJgW3x 6Rry7S85wjmPt7FGC6rTagrP0MWqaiHIBBCNUQoNiqSGFpnnjPM6pNUdjOCrw859p3UD Y9LA== X-Gm-Message-State: AOAM531lxt6g+NKzmaY0SCncnN6qlDKQit52rKclYRq5+FgAQCHYEcfT NJwcVXGVHTuPKD75cAdo/ot/kN9aptccPX6VC4xBzA== X-Google-Smtp-Source: ABdhPJzGyqh4BsNemw68IZ7SVTAL/f1eGkoGoEq0lnwW+GNAxVmMi5sF8Ujp23KKrSIiuA0CtJc5Iz8q63h4ADYqoDo= X-Received: by 2002:a17:906:980f:: with SMTP id lm15mr10444403ejb.184.1601586512571; Thu, 01 Oct 2020 14:08:32 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Jann Horn Date: Thu, 1 Oct 2020 23:08:06 +0200 Message-ID: Subject: Re: [PATCH v3 seccomp 2/5] seccomp/cache: Add "emulator" to check if filter is constant allow To: YiFei Zhu Cc: Linux Containers , YiFei Zhu , bpf , kernel list , Aleksa Sarai , Andrea Arcangeli , Andy Lutomirski , David Laight , Dimitrios Skarlatos , Giuseppe Scrivano , Hubertus Franke , Jack Chen , Josep Torrellas , Kees Cook , Tianyin Xu , Tobin Feldman-Fitzthum , Tycho Andersen , Valentin Rothberg , Will Drewry Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Thu, Oct 1, 2020 at 1:28 PM YiFei Zhu wrote: > On Wed, Sep 30, 2020 at 5:24 PM Jann Horn wrote: > > If you did the architecture enablement for X86 later in the series, > > you could move this part over into that patch, that'd be cleaner. > > As in, patch 1: bitmap check logic. patch 2: emulator. patch 3: enable for x86? Yeah.