From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 635CC134B1; Sat, 7 Sep 2024 02:48:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725677309; cv=none; b=VUNRq/HAqQZPRdkpB+gdQV0rZaeevehMShlGGANXU4WoXCKA6CFYewjMyt4AFwXS4YQTtwrFVLIm+SHacTSItI9GN6hbjwhiZ6ccVPFGpAuzQATJ3xr9Af3JttJmkmGv4dlYRwcfuMQHCmTB5AEKA9Z2KBKasBCEVgSMQsTKhRk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725677309; c=relaxed/simple; bh=3tEnVSgl4KWu1DsgL0C8TGbUh8FjzR6eAkgRRbuiFhw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=e1Hsegbttny769I5nldjFJoHQXV6ozcNMsAm4UP43JgbKImUMQUoURywsz+WAnBv7fK5640vp6X96i5uX7gXjIdnPTzGMhiMqcaJ0a6+h9/zsbWb8zys3e9KI0Ri2JAbFXJkqrbFQeGmN0DjTxQ+zFyqmi1Chy8yEDXC1EDMxzg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b=fqO02YY5; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b="fqO02YY5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 78FEFC4CEC4; Sat, 7 Sep 2024 02:48:27 +0000 (UTC) Authentication-Results: smtp.kernel.org; dkim=pass (1024-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b="fqO02YY5" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zx2c4.com; s=20210105; t=1725677304; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=3tEnVSgl4KWu1DsgL0C8TGbUh8FjzR6eAkgRRbuiFhw=; b=fqO02YY5HU2dzIXH4LOY7waP1KOWEKEq+VK2fi3DFd0ALf2jlq4EUKGsxhcXb8luexzVoh ln7+wBl1ecMkfj7zz+xVXxfFN25l7W2561YA50qHpmhc1r6x0u0AU+BLvbUUH7ezTwXtNP geFkd0DFal/qrafG/iixh225s5PpreI= Received: by mail.zx2c4.com (ZX2C4 Mail Server) with ESMTPSA id b2310a09 (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO); Sat, 7 Sep 2024 02:48:24 +0000 (UTC) Date: Sat, 7 Sep 2024 04:48:22 +0200 From: "Jason A. Donenfeld" To: Huacai Chen Cc: maobibo , gaosong@loongson.cn, jiaxun.yang@flygoat.com, qemu-devel@nongnu.org, thomas@t-8ch.de, xry111@xry111.site, loongarch@lists.linux.dev, linux-kernel@vger.kernel.org, Jinyang He , Tiezhu Yang Subject: Re: LoongArch without CONFIG_ACPI and CONFIG_EFI Message-ID: References: <84a8ee9c-7781-c474-c394-d1498dc00050@loongson.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Sat, Sep 07, 2024 at 09:47:38AM +0800, Huacai Chen wrote: > On Sat, Sep 7, 2024 at 9:44 AM maobibo 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. Makes sense. !ACPI is the more interesting one for me, anyway, as that takes a while to build.