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=-7.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH,USER_AGENT_MUTT autolearn=ham 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 B5128C31E40 for ; Mon, 10 Jun 2019 17:21:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7E8CA20859 for ; Mon, 10 Jun 2019 17:21:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560187294; bh=Lm5P1ceVLbTYoNroDvHEIRxfS8FyHNbcWWxeUeBhtcE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=wEIPY4B9/CrsZUJa/PE4uU69Xs7jSKa0FEPcwkOk1hzqCnymN1982Yw/bEVtCPaat ++/jFr1I5s8F3SqS0uemRnCyWifhRGltmnjdeaIkGPxaN6/9PVa7BwdTZxFa/TS19I mjos87hjDMRk/qK6PbrA2hziXE7ltmS8OIBkd0e4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728308AbfFJRVd (ORCPT ); Mon, 10 Jun 2019 13:21:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:53534 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726514AbfFJRVd (ORCPT ); Mon, 10 Jun 2019 13:21:33 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3F6C0207E0; Mon, 10 Jun 2019 17:21:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560187292; bh=Lm5P1ceVLbTYoNroDvHEIRxfS8FyHNbcWWxeUeBhtcE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=jYg/+tbHWAcMQf5Ibun/J5I53WSAWyTQiHowEJRVRTjQxQeys7V5lSFOOEtNliLuP 1y9tGkGpsPT3aAtgOb8nhtKeSq/PKBdzP68ldDWOuhEDUnKNrZexoluxbU8+/bwGO/ G58Cq4O01hTLul3ElmnoMXqk8rQ2MyAbatDnQkqM= Date: Mon, 10 Jun 2019 19:21:30 +0200 From: Greg Kroah-Hartman To: Takashi Iwai Cc: Luis Chamberlain , "Rafael J . Wysocki" , linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/5] firmware: Add support for loading compressed files Message-ID: <20190610172130.GA28902@kroah.com> References: <20190520092647.8622-1-tiwai@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190520092647.8622-1-tiwai@suse.de> User-Agent: Mutt/1.12.0 (2019-05-25) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 20, 2019 at 11:26:42AM +0200, Takashi Iwai wrote: > Hi, > > this is a patch set to add the support for loading compressed firmware > files. > > The primary motivation is to reduce the storage size; e.g. currently > the amount of /lib/firmware on my machine counts up to 419MB, and this > can be reduced to 130MB file compression. No bad deal. > > The feature adds only fallback to the compressed file, so it should > work as it was as long as the normal firmware file is present. The > f/w loader decompresses the content, so that there is no change needed > in the caller side. > > Currently only XZ format is supported. A caveat is that the kernel XZ > helper code supports only CRC32 (or none) integrity check type, so > you'll have to compress the files via xz -C crc32 option. > > The patch set begins with a few other improvements and refactoring, > followed by the compression support. > > In addition to this, dracut needs a small fix to deal with the *.xz > files. > > Also, the latest patchset is found in topic/fw-decompress branch of my > sound.git tree: > git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git I've applied the first 3 patches to my tree, as they were sane and good cleanups. I'll wait for a test-case and a resend of the second two before taking them {hint} :) thanks, greg k-h