linux-kernel - Re: LoongArch without CONFIG_ACPI and CONFIG

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Message-ID: <CAAhV-H5CbyemhjoYLXqW3pLPtp4Ne3wcOZXzv2k5=jJCpi3rfg@mail.gmail.com>
Date: Sat, 7 Sep 2024 09:47:38 +0800
From: Huacai Chen <chenhuacai@...nel.org>
To: maobibo <maobibo@...ngson.cn>
Cc: "Jason A. Donenfeld" <Jason@...c4.com>, gaosong@...ngson.cn, jiaxun.yang@...goat.com, 
	qemu-devel@...gnu.org, thomas@...ch.de, xry111@...111.site, 
	loongarch@...ts.linux.dev, linux-kernel@...r.kernel.org, 
	Jinyang He <hejinyang@...ngson.cn>, Tiezhu Yang <yangtiezhu@...ngson.cn>
Subject: Re: LoongArch without CONFIG_ACPI and CONFIG_EFI

On Sat, Sep 7, 2024 at 9:44 AM maobibo <maobibo@...ngson.cn> wrote:
>
> Add huacai who is maintainer of Loongarch Linux kernel.
>
> On 2024/9/6 下午10:55, Jason A. Donenfeld wrote:
> > Hi,
> >
> > It appears that as of QEMU 9.1, it's possible to boot LoongArch machines
> > that don't provide EFI or ACPI.
> >
> > Would you consider removing the `select ACPI` and `select EFI` from the
> > arch Kconfig, so that kernels built for this minimal QEMU environment
> > can be a bit leaner and quicker to build?
Very difficult, at least removing EFI is difficult. Even if booting to
a FDT environment, we still get information from EFI now.

Huacai

> >
> > Jason
> >
>