linux-kernel - Re: [PATCH v3 0/8] Add support for ZSTD-compressed kernel and initramfs

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Message-ID: <1A630698-E385-4CDF-9755-ACDAAF60DBB9@fb.com>
Date:   Tue, 31 Mar 2020 04:15:14 +0000
From:   Nick Terrell <terrelln@...com>
To:     "sedat.dilek@...il.com" <sedat.dilek@...il.com>
CC:     Nick Terrell <nickrterrell@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Chris Mason <clm@...com>,
        "linux-kbuild@...r.kernel.org" <linux-kbuild@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        Petr Malat <oss@...at.biz>, Kees Cook <keescook@...omium.org>,
        Kernel Team <Kernel-team@...com>,
        Adam Borowski <kilobyte@...band.pl>,
        Patrick Williams <patrickw3@...com>,
        "Michael van der Westhuizen" <rmikey@...com>,
        "mingo@...nel.org" <mingo@...nel.org>,
        "Patrick Williams" <patrick@...cx.xyz>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: [PATCH v3 0/8] Add support for ZSTD-compressed kernel and
 initramfs

> On Mar 29, 2020, at 8:45 AM, Sedat Dilek <sedat.dilek@...il.com> wrote:
> 
> [ CC: Nick Desaulniers ]
> 
> Hi Nick,
> 
> I have tested your patchset v3 on top of Linux v5.6-rc7+
> compiled/linked with Clang/LLD v9.0.1.
> 
> My Linux system is Debian/testing (will be "bullseye" aka version 11) AMD64.
> I used zstd package version 1.4.4+dfsg-3.
> 
> I have no big numbers for you expect a comparison of initrd.img files
> compressed with GZIP (default by Debian) and ZSTD:
> 
> root# du -k /boot/initrd.img-$(uname -r).{gz,zst}
> 29272   /boot/initrd.img-5.6.0-rc7-1-amd64-clang.gz
> 23540   /boot/initrd.img-5.6.0-rc7-1-amd64-clang.zst
> 
> I needed to do some modifications to stuff from
> initramfs-tools/initramfs-tools-core (see end-titles).
> 
> Do you plan to push this for Linux v5.7?

I hope that it will be accepted. From my point of view this patch set is
ready for merge, except for the maximum window size increase
requested by Petr.

> Feel free to add credits for the whole series:
> 
>   Tested-by: Sedat Dilek <sedat.dilek@...il.com>

Thanks for testing the patch set Sedat!

-Nick