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Tue, 15 Dec 2020 23:39:21 +0000 Received: by smtp409.mail.ne1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 7f42f66753ff764add4cd34d24e29391; Tue, 15 Dec 2020 23:39:20 +0000 (UTC) Date: Tue, 15 Dec 2020 18:39:17 -0500 From: "Alex Xu (Hello71)" Subject: Re: [RFC PATCH] treewide: remove bzip2 compression support To: 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 References: <20201215190315.8681-1-alex_y_xu.ref@yahoo.ca> <20201215190315.8681-1-alex_y_xu@yahoo.ca> In-Reply-To: <20201215190315.8681-1-alex_y_xu@yahoo.ca> MIME-Version: 1.0 Message-Id: <1608075451.ootu1tx25o.none@localhost> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Mailer: WebService/1.1.17278 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Apache-HttpAsyncClient/4.1.4 (Java/11.0.8) Content-Length: 698 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Excerpts from Alex Xu (Hello71)'s message of December 15, 2020 2:03 pm: > 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. >=20 > [0] https://lore.kernel.org/lkml/1588791882.08g1378g67.none@localhost/ >=20 > Signed-off-by: Alex Xu (Hello71) Upon further research, I found that bzip2 removal was already=20 implemented as part of zstd addition, but were apparently abandoned in=20 an effort to get zstd in. I will check those patches and try sending=20 those instead. Thanks to all reviewers for comments on this patch.