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=-3.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 D9F73C433E1 for ; Wed, 19 Aug 2020 18:22:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B5ECA20758 for ; Wed, 19 Aug 2020 18:22:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597861366; bh=ZKweGUWJvFq2Vs0jkZI11165VYu6b7gVCDPwPSQOouc=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=cH91JeNz6gY+1TkSO7ekD1nFG8Qt+dnOqQ/n0BiVuvF0rWsAvR+I6H+8XnDtq+qEk mq3rxkE0WAqNLL+f9BlOm+GD1eNAu0hMPNmKiDvl1JNtK/OoCx2DUFn6RdovixkkyL XFrFEjimQhlaBVoaDCPdSGyik6lICUzqCRTmQk5c= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726735AbgHSSWp (ORCPT ); Wed, 19 Aug 2020 14:22:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58262 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726689AbgHSSWm (ORCPT ); Wed, 19 Aug 2020 14:22:42 -0400 Received: from mail-lj1-x241.google.com (mail-lj1-x241.google.com [IPv6:2a00:1450:4864:20::241]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3FC09C061757 for ; Wed, 19 Aug 2020 11:22:42 -0700 (PDT) Received: by mail-lj1-x241.google.com with SMTP id v4so26499047ljd.0 for ; Wed, 19 Aug 2020 11:22:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=79ev9ikbUTXiBlx8BAwL5pB8K3ajpVCqOFOleujXdPo=; b=IDQGdL/5id8GNxENSsHI2wxK4/GZ5xngsW+Eha1nuNKPmJGlqmvPbb8du9ZPBCBRRn gcwhHklx3dYgYVG5/IFLJAyq1IPOCPogblQ93UEr+8YMf1+mOELzQ2caUs5F4LoUFBf2 VLUHHA3n+6lCCXPn0GEIie4bewzMlUNpn7IrM= 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=79ev9ikbUTXiBlx8BAwL5pB8K3ajpVCqOFOleujXdPo=; b=dVAfmqetchPQGxwH8vbYFtFjZFko8ncKrgLe+HO9iWQOMoIMZeQcr0pQmHHzoi6E3d FyL4OLbJdLDjY4B7vlyHg2+0GCaf4rbsHIvCG7tnhFtfxClvu0h7J3zyQpdPb82eynlj 3/BNbD76BFkWGuWzspOAQElewTrHB9/U/7eiqGDAoCUwyaYm9yBdJvnTjl3XUOhbkQ0G u0ae/gHj4HRFenh8F3vbxoW1EGo79Zlv4k3kG2ajCdj5iP7OHjZfBUuuwHLaXiVpW8il hsBgOt6s8m7jvzoaKv4k3FsiQ3RvXvMcnKz8YabOX3IhvksZkzDR0u73P+MOqq73X4Uy fLDQ== X-Gm-Message-State: AOAM530fDXVR8UftefoVQwUncghrRsAH3/s+KP7bNJeitYbd77yXKkU5 nL9m897jbEreqcADFnCpyOSgs+gN9k9/SA== X-Google-Smtp-Source: ABdhPJzq9kxpzO+Hi27Q0pCcavAcHLlHRa7QpPW5Y8OTgj3G/LaNY8KnFoeDSrQG5e+TKxuuTXrR1w== X-Received: by 2002:a2e:7006:: with SMTP id l6mr11088897ljc.107.1597861359648; Wed, 19 Aug 2020 11:22:39 -0700 (PDT) Received: from mail-lf1-f45.google.com (mail-lf1-f45.google.com. [209.85.167.45]) by smtp.gmail.com with ESMTPSA id g21sm6796298ljh.103.2020.08.19.11.22.38 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 19 Aug 2020 11:22:38 -0700 (PDT) Received: by mail-lf1-f45.google.com with SMTP id b11so12580988lfe.10 for ; Wed, 19 Aug 2020 11:22:38 -0700 (PDT) X-Received: by 2002:ac2:522b:: with SMTP id i11mr12977840lfl.30.1597861357867; Wed, 19 Aug 2020 11:22:37 -0700 (PDT) MIME-Version: 1.0 References: <9753118F-84DD-44C4-8B8C-F45B8EE0FC14@fb.com> <20200804234817.3922187-1-nivedita@alum.mit.edu> <20200804234817.3922187-2-nivedita@alum.mit.edu> <202008191111.4244B09D26@keescook> In-Reply-To: <202008191111.4244B09D26@keescook> From: Linus Torvalds Date: Wed, 19 Aug 2020 11:22:22 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 1/1] x86/boot/compressed: Use builtin mem functions for decompressor To: Kees Cook Cc: Arvind Sankar , Ingo Molnar , Andrew Morton , "the arch/x86 maintainers" , Linux Kernel Mailing List , Nick Terrell , Greg Kroah-Hartman , Yann Collet , Gao Xiang , Sven Schmidt <4sschmid@informatik.uni-hamburg.de> Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 19, 2020 at 11:14 AM Kees Cook wrote: > > Did anyone pick this up? (Ingo can you snag it, or maybe akpm who took > the LZ4-specific patch already?) This looks sane to me and provides some > surprising performance benefits. :) I'll take this and Arvind's freestanding patch too. Linus