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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A0493EEAA55 for ; Thu, 14 Sep 2023 16:15:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238114AbjINQP4 (ORCPT ); Thu, 14 Sep 2023 12:15:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58718 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231552AbjINQPz (ORCPT ); Thu, 14 Sep 2023 12:15:55 -0400 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E71341BE1 for ; Thu, 14 Sep 2023 09:15:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1694708150; x=1726244150; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=7cPotS7qBVHdUySEK4zHsKbwDfm1ctKyZV4GD1fx6Sk=; b=W4fwqgRWaPtmKmaBkClYihbNymFwuhs45ss2vsNWgCv2ClfkPkuTYtkk 47f7X7fdpMK4MQVZjpgh5fvnv/MfAeHT4NZ6X3hXBF3ih+RLfMdWWWvu4 hfc3EO243RlQkBvT5sQVTMYp9nqqhcPsECXnWRqV9jKDR9JclIdQ5XyxC wc/zNNgbJpDdyPVs3FBKzB97eohshjiCdKajbcVgbPnpsXZ6OrQrxLjx3 5t1PSWuTOWbm1PT7U7QRmPVYNvT/cJKwcOJR+MSdXzDvISJ6EYLGKQVno qVcYLW6GuIdj2mxzCkfPowsFH/4XDPRkYQKxSjALlU9fSbu072pOZjNpG Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10833"; a="364046115" X-IronPort-AV: E=Sophos;i="6.02,146,1688454000"; d="scan'208";a="364046115" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Sep 2023 09:09:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10833"; a="1075445165" X-IronPort-AV: E=Sophos;i="6.02,146,1688454000"; d="scan'208";a="1075445165" Received: from spswartz-mobl.amr.corp.intel.com (HELO [10.209.21.97]) ([10.209.21.97]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Sep 2023 09:09:24 -0700 Message-ID: Date: Thu, 14 Sep 2023 09:09:22 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 Subject: Re: [PATCH v3 2/3] Kconfig: Add dependencies of POWER_RESET for x86 Content-Language: en-US To: Yuan Tan , tglx@linutronix.de, mingo@redhat.com Cc: bp@alien8.de, dave.hansen@linux.intel.com, linux-kernel@vger.kernel.org, x86@kernel.org, falcon@tinylab.org, w@1wt.eu, linux@weissschuh.net References: <0f2cbd3026357a3936c0853057ed41b63db83d59.1694687048.git.tanyuan@tinylab.org> From: Dave Hansen In-Reply-To: <0f2cbd3026357a3936c0853057ed41b63db83d59.1694687048.git.tanyuan@tinylab.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/14/23 03:36, Yuan Tan wrote: > x86 and x86_64's power off depends on ACPI and PCI to work. Enable them > when POWER_RESET is set for convenience. I'm a bit confused by this. Which code is this referring to, exactly? Are you saying that no x86 system can power off or reset unless it supports ACPI or PCI?