MIME-Version: 1.0
From: Mathu Xu <mathux@andrew.cmu.edu>
Date: Thu, 12 Sep 2024 15:32:19 -0400
Message-ID: <CAAjFVydL9snVWzYenNPeyD-J-Fm0abZmVcAj-S+ahKy3ZqupMA@mail.gmail.com>
Subject: Having trouble adding miscellaneous binary formats
To: ~alpine/users@lists.alpinelinux.org
Content-Type: text/plain; charset="UTF-8"

Hi,

I'm doing some webassembly things. I was trying to register webassembly
as a miscellaneous binary format so that we can run wasm files like a
regular binary. There's a guide
<https://docs.kernel.org/admin-guide/binfmt-misc.html> online about how to
do that but I was stuck on the first step: mounting binfmt_misc.

After some digging we found that in kernel modules
<https://git.alpinelinux.org/aports/tree/main/linux-lts/lts.x86_64.config>
CONFIG_BINFMT_MISC is set to 'm', but I found that some other
architectures<https://github.com/search?q=repo%3Atorvalds%2Flinux+CONFIG_BINFMT_MISC&type=code>
set it to 'y', does this change things? How do I configure my machine to be
able to add a miscellaneous binary format? I've tried googling but none of
the results have a clear solution to this. Any help would be appreciated,
thanks in advance.

Mathu Xu