linux-kernel - Re: [PATCH mips-next 0/2] mips: boot: add support for self-extracting FIT images (vmlinuz.itb)

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Message-Id: <LRR9JQ.VHLICAJG4L2X1@crapouillou.net>
Date:   Wed, 04 Nov 2020 11:26:09 +0000
From:   Paul Cercueil <paul@...pouillou.net>
To:     Alexander Lobakin <alobakin@...me>
Cc:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Paul Burton <paulburton@...nel.org>,
        Huacai Chen <chenhc@...ote.com>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH mips-next 0/2] mips: boot: add support for self-extracting
 FIT images (vmlinuz.itb)

Hi Alexander,

Le dim. 1 nov. 2020 à 15:11, Alexander Lobakin <alobakin@...me> a 
écrit :
> Commit c3e2ee657418 ("MIPS: generic: Add support for zboot") added
> support for self-extracting images to Generic MIPS. However, the
> intended way to boot Generic MIPS kernels is using FIT Images and
> UHI boot protocol, but currently there's no way to make 
> self-extracting
> FIT Image (only legacy uzImages).
> 
> This set consists of two parts:
> 1) various cleanups in arch/mips/boot/compressed/Makefile as a
>    prerequisite;
> 2) a new target named "vmlinuz.itb" for composing self-extracting
>    FIT Images, which allows to have the advantages of both UHI and
>    vmlinuz.
> 
> The second part involves some scenarios duplication, but I think it
> can be a subject for another series (for constifying and unifying
> FIT Images rules across the architectures).
> 
> Alexander Lobakin (2):
>   mips: boot: clean up self-extracting targets scenarios
>   mips: boot: add support for self-extracting FIT images (vmlinuz.itb)

It doesn't break anything on my end, so:

Acked-by: Paul Cercueil <paul@...pouillou.net>

for the series.

Why vmlinuz.itb and not vmlinuz.fit or vmlinuz.uhi? Is the .itb suffix 
already a thing?

Cheers,
-Paul

>  arch/mips/Makefile                 |  3 +-
>  arch/mips/boot/.gitignore          |  1 +
>  arch/mips/boot/compressed/Makefile | 96 
> +++++++++++++++++++++++++-----
>  3 files changed, 85 insertions(+), 15 deletions(-)
> 
> --
> 2.29.2
> 
>