From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 560F6CE7B04 for ; Sat, 7 Sep 2024 01:48:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1smkZ3-0003qb-7w; Fri, 06 Sep 2024 21:48:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1smkYV-0003j1-8r for qemu-devel@nongnu.org; Fri, 06 Sep 2024 21:48:07 -0400 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1smkYR-0004Ol-KI for qemu-devel@nongnu.org; Fri, 06 Sep 2024 21:48:01 -0400 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 518165C013A for ; Sat, 7 Sep 2024 01:47:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 83F5CC4CECA for ; Sat, 7 Sep 2024 01:47:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725673672; bh=KaK41JPOiwkTi9ta791J8wS37yAgctFiFMaLNuuZ/y0=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=ja7P/h1Rik8bso2VeBsPNO38kUZ0kWeIIQcLp+37wbHG6PfM0cQJxvklf5lJXOmHw K1zK90HEKY7dn9Ms3pOy/zrdxWWNJW18Kz82/vtVy2G0suYAtQ3QMGBxKdoA8QzxK8 1ZzvkK7u6n9zLz5pnvkNMBN2XpOyjMe7/TIvEshNaDAc1NAd5HL1VxfbWRnM9nYmL+ FnLRwRwdBZUxvHsJxzzG57l+RvUX8Avk1XrsDDH4EPirCwSrWmpKTvsshwT1aW4PCk 8qs9bYkZuREQYydjqWbGxGjM0mMZT24j71lcxPGzn5urSLpG+/cnSCEc9FxjOTU69C +Ija1Qd0zJCzQ== Received: by mail-lj1-f175.google.com with SMTP id 38308e7fff4ca-2f75a81b6d5so2919851fa.1 for ; Fri, 06 Sep 2024 18:47:52 -0700 (PDT) X-Forwarded-Encrypted: i=1; AJvYcCURCC+zP+iFfZufxna/o2oau+O//lVJQZt5kJqFsCPvZIp8K/HjHfzM+rAd5OkfCFi8X4FygMsRDn7G@nongnu.org X-Gm-Message-State: AOJu0YyXHyTiHcp34xsOVfJKDJbQkV9F3KwCmJNtxlUMpLPD7zGl1he1 v5j1ZQ9uNP6sNnVablkJnqyLBUn4L+KkbPGDhijroMprDPz8OUyticZGTGEp9jsQ8CDVCjob03v Ln0QOL/qJpI48te3QZEX3KIhaIaY= X-Google-Smtp-Source: AGHT+IEAbN9Eqzj7/94jpm3ZQGTLWu4waEvFkSByhRyNjqTPy8Lz34CNrAmcTOD6tEPOYyD0XNKDboxR4rC3W+hfagk= X-Received: by 2002:a2e:a983:0:b0:2f6:63d1:166e with SMTP id 38308e7fff4ca-2f751eaee26mr34366321fa.3.1725673670870; Fri, 06 Sep 2024 18:47:50 -0700 (PDT) MIME-Version: 1.0 References: <84a8ee9c-7781-c474-c394-d1498dc00050@loongson.cn> In-Reply-To: <84a8ee9c-7781-c474-c394-d1498dc00050@loongson.cn> From: Huacai Chen Date: Sat, 7 Sep 2024 09:47:38 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: LoongArch without CONFIG_ACPI and CONFIG_EFI To: maobibo Cc: "Jason A. Donenfeld" , 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 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2604:1380:4641:c500::1; envelope-from=chenhuacai@kernel.org; helo=dfw.source.kernel.org X-Spam_score_int: -45 X-Spam_score: -4.6 X-Spam_bar: ---- X-Spam_report: (-4.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.142, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Sat, Sep 7, 2024 at 9:44=E2=80=AFAM maobibo wrote: > > Add huacai who is maintainer of Loongarch Linux kernel. > > On 2024/9/6 =E4=B8=8B=E5=8D=8810:55, Jason A. Donenfeld wrote: > > Hi, > > > > It appears that as of QEMU 9.1, it's possible to boot LoongArch machine= s > > 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 > > >