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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 EAE39C4361B for ; Tue, 15 Dec 2020 21:52:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B8CB622A99 for ; Tue, 15 Dec 2020 21:52:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731135AbgLOVwt (ORCPT ); Tue, 15 Dec 2020 16:52:49 -0500 Received: from mx2.suse.de ([195.135.220.15]:40992 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727671AbgLOVwp (ORCPT ); Tue, 15 Dec 2020 16:52:45 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 5D4C3AD87; Tue, 15 Dec 2020 21:52:00 +0000 (UTC) Date: Tue, 15 Dec 2020 22:51:57 +0100 From: Michal =?iso-8859-1?Q?Such=E1nek?= To: "Alex Xu (Hello71)" Cc: linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-mips@vger.kernel.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-xtensa@linux-xtensa.org, torvalds@linux-foundation.org Subject: Re: [RFC PATCH] treewide: remove bzip2 compression support Message-ID: <20201215215157.GJ6564@kitsune.suse.cz> References: <20201215190315.8681-1-alex_y_xu.ref@yahoo.ca> <20201215190315.8681-1-alex_y_xu@yahoo.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201215190315.8681-1-alex_y_xu@yahoo.ca> User-Agent: Mutt/1.11.3 (2019-02-01) Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Hello, On Tue, Dec 15, 2020 at 02:03:15PM -0500, Alex Xu (Hello71) wrote: > bzip2 is either slower or larger than every other supported algorithm, > according to benchmarks at [0]. It is far slower to decompress than any > other algorithm, and still larger than lzma, xz, and zstd. > > [0] https://lore.kernel.org/lkml/1588791882.08g1378g67.none@localhost/ Sounds cool. I wonder how many people will complain that their distribution migrated to bzip2 but got stuck there and now new kernels won't work on there with some odd tool or another :p > @@ -212,11 +209,6 @@ choice > Compression speed is only relevant when building a kernel. > Decompression speed is relevant at each boot. > > - If you have any problems with bzip2 or lzma compressed > - kernels, mail me (Alain Knaff) . (An older > - version of this functionality (bzip2 only), for 2.4, was > - supplied by Christian Ludwig) > - Shouldn't the LZMA part be preserved here? Thanks Michal