public inbox for gentoo-dev@lists.gentoo.org
 help / color / mirror / Atom feed
From: Sam James <sam@gentoo.org>
To: gentoo-dev@lists.gentoo.org
Cc: dist-kernel@gentoo.org, kernel@gentoo.org,
	Ulrich Mueller <ulm@gentoo.org>
Subject: Re: [gentoo-dev] [PATCH 2/8] linux-mod.eclass: compress xz/zstd in parallel
Date: Wed, 12 Oct 2022 17:42:45 +0100	[thread overview]
Message-ID: <878rllngbr.fsf@gentoo.org> (raw)
In-Reply-To: <u1qrdv449@gentoo.org>

[-- Attachment #1: Type: text/plain, Size: 553 bytes --]


Ulrich Mueller <ulm@gentoo.org> writes:

> [[PGP Signed Part:Undecided]]
> What is the motivation for this? The typical kernel module on my system
> has a size of about 20 KiB uncompressed, with the largest about 2 MiB.
> Compression times are negligible for these, so is there a need to
> optimize?

Note that this is only for external kernel modules. The motivation
for these is mostly for slower systems with many cores, but
slower per-core speeds (I have a bunch of ARM64 devices
like that).

>
> Ulrich
>
> [[End of PGP Signed Part]]

thanks,
sam

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 377 bytes --]

  reply	other threads:[~2022-10-12 16:43 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-11 22:54 [gentoo-dev] [PATCH 1/8] kernel-2.eclass: decompress xz in parallel Sam James
2022-10-11 22:54 ` [gentoo-dev] [PATCH 2/8] linux-mod.eclass: compress xz/zstd " Sam James
2022-10-12  8:27   ` Ulrich Mueller
2022-10-12 16:42     ` Sam James [this message]
2022-10-11 22:54 ` [gentoo-dev] [PATCH 3/8] linux-mod.eclass: use pigz for parallel compression if available Sam James
2022-10-11 22:54 ` [gentoo-dev] [PATCH 4/8] linux-mod.eclass: improve error handling for module compression Sam James
2022-10-11 22:54 ` [gentoo-dev] [PATCH 5/8] linux-mod.eclass: cleanup whitespace Sam James
2022-10-11 22:54 ` [gentoo-dev] [PATCH 6/8] kernel-build.eclass: compress xz/zstd in parallel Sam James
2022-10-12  4:46   ` Michał Górny
2022-10-12  4:51     ` Sam James
2022-10-12  8:39     ` Ulrich Mueller
2022-10-12 16:43     ` Sam James
2022-10-11 22:54 ` [gentoo-dev] [PATCH 7/8] kernel-build.eclass: use pigz for parallel compression if available Sam James
2022-10-11 22:54 ` [gentoo-dev] [PATCH 8/8] kernel-build.eclass: use pbzip2/lbzip2 " Sam James
2022-10-12  0:20   ` [gentoo-dev] " Sam James

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=878rllngbr.fsf@gentoo.org \
    --to=sam@gentoo.org \
    --cc=dist-kernel@gentoo.org \
    --cc=gentoo-dev@lists.gentoo.org \
    --cc=kernel@gentoo.org \
    --cc=ulm@gentoo.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox