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From: Sedat Dilek <sedat.dilek@gmail.com>
To: Adam Borowski <kilobyte@angband.pl>
Cc: Nick Terrell <terrelln@fb.com>,
	Nick Terrell <nickrterrell@gmail.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Chris Mason <clm@fb.com>,
	"linux-kbuild@vger.kernel.org" <linux-kbuild@vger.kernel.org>,
	"x86@kernel.org" <x86@kernel.org>,
	"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	Petr Malat <oss@malat.biz>, Kees Cook <keescook@chromium.org>,
	Kernel Team <Kernel-team@fb.com>,
	Patrick Williams <patrickw3@fb.com>,
	Michael van der Westhuizen <rmikey@fb.com>,
	"mingo@kernel.org" <mingo@kernel.org>,
	Patrick Williams <patrick@stwcx.xyz>,
	Nick Desaulniers <ndesaulniers@google.com>
Subject: Re: [PATCH v3 0/8] Add support for ZSTD-compressed kernel and initramfs
Date: Wed, 1 Apr 2020 12:00:35 +0200	[thread overview]
Message-ID: <CA+icZUXufL22Fp7ge9uzZ7K5K2MfX-C+HJcDcr06KKNYQOBXoA@mail.gmail.com> (raw)
In-Reply-To: <20200401072725.GB27371@angband.pl>

On Wed, Apr 1, 2020 at 9:27 AM Adam Borowski <kilobyte@angband.pl> wrote:
>
> On Wed, Apr 01, 2020 at 02:52:06AM +0000, Nick Terrell wrote:
> > > On Mar 31, 2020, at 8:11 AM, Sedat Dilek <sedat.dilek@gmail.com> wrote:
> > > On Tue, Mar 31, 2020 at 6:15 AM Nick Terrell <terrelln@fb.com> wrote:

[...]

> > I don’t expect any distro specific changes are required to continue operating
> > as-is. However, if a distro wanted to switch to a zstd compressed initramfs
> > they would need to update their toolchain to compress with zstd.
>
> Just setting COMPRESS=zstd is enough -- it'll say:
> W: Unknown compression command zstd
> but will do everything right.
>
> Also, just minutes ago someone filed https://bugs.debian.org/955469
>

Hi Adam,

thanks for your feedback and the pointer to the Debian bug #955469.

With "distro-specific changes" I meant the ones to userland - for
Debian - namely initramfs-tools{,-core} packages.
For generating, inspecting and unpacking an initramfs the Debian way
you need a bit more.

In the Bug-BR a patch called "enable_zstd.patch" is attached - seems
to have all what I mentioned in [1].

Regards,
- Sedat -

[1] LINK: https://lore.kernel.org/lkml/CA+icZUXCn2an9aNDrm+-eneSAOyGibz0W1xYhwkA5k3B3U-5vQ@mail.gmail.com/

  reply	other threads:[~2020-04-01 10:00 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-29 15:45 [PATCH v3 0/8] Add support for ZSTD-compressed kernel and initramfs Sedat Dilek
2020-03-31  4:15 ` Nick Terrell
2020-03-31 15:11   ` Sedat Dilek
2020-04-01  2:52     ` Nick Terrell
2020-04-01  7:27       ` Adam Borowski
2020-04-01 10:00         ` Sedat Dilek [this message]
2020-04-01  9:50       ` Sedat Dilek
2020-04-01 19:00         ` Nick Terrell
2020-04-02 14:37           ` Sedat Dilek
2020-04-01  7:18     ` Adam Borowski
  -- strict thread matches above, loose matches on Subject: below --
2020-03-25 19:58 Nick Terrell
2020-03-25 20:10 ` Kees Cook
     [not found] <20200319195934.1101679-1-terrelln@fb.com>
2020-03-20 18:10 ` Kees Cook

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