From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from canpmsgout09.his.huawei.com (canpmsgout09.his.huawei.com [113.46.200.224]) (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 974662EBBA1; Thu, 16 Jul 2026 09:08:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=113.46.200.224 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784192907; cv=none; b=m6TZjQmKYJS9DougJsbwEkr0Q+HSX9CT31FRV6hNoYxwJ9VhqVHyiGdVrELZmMtgoCNyoOXsnYMnGQE+zUnxeAuLK67S5VLZonw/h0VsT5ZcjJnuFnKUluZvcZ2QoL6kZ6khI4ixUfgTdj20jA4kyk/13WkAtRAmfQ/wiy2+zEI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784192907; c=relaxed/simple; bh=iYepiH7lzfZGwLU5Fq/lYVXqTcS3uaZUbgmfvmPTXek=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=oQrr/PFowhkj6hfxpJvvxIrCFeNeS0ewQbXpI6TtpS+0Xv+NLwCAObQkipjYrFX5cA0nnL4NxEEEU6OtOb2CnxdejxuaEmPeJdB+HzB6d5XkhczhVgUxk5Yto5reWn4TG2omMnDFERFSk7Ab0EAy3YuNIO+6NsNGX4ympaW3ylU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=h-partners.com; dkim=pass (1024-bit key) header.d=h-partners.com header.i=@h-partners.com header.b=B6uUPIe+; arc=none smtp.client-ip=113.46.200.224 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=h-partners.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=h-partners.com header.i=@h-partners.com header.b="B6uUPIe+" dkim-signature: v=1; a=rsa-sha256; d=h-partners.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=iYepiH7lzfZGwLU5Fq/lYVXqTcS3uaZUbgmfvmPTXek=; b=B6uUPIe+dMyc4jsBxvJ1Tyi8NE1qx2ONEzUYapqt/ChZHIZ7jkRStgm4bIJUGrZkNQMhpVJyB Lh0sX+TeV89U/bPpsfZ980PxlTAqZPoTtOk0wdA331cfkggPFYRcFmX16CV+AMHtRmTElNWQusu 7mwezw92jCHADG+SlAYE68A= Received: from mail.maildlp.com (unknown [172.19.163.200]) by canpmsgout09.his.huawei.com (SkyGuard) with ESMTPS id 4h16R5338qz1cyQQ; Thu, 16 Jul 2026 16:58:57 +0800 (CST) Received: from kwepemo100005.china.huawei.com (unknown [7.202.195.212]) by mail.maildlp.com (Postfix) with ESMTPS id ED36840563; Thu, 16 Jul 2026 17:08:14 +0800 (CST) Received: from [10.67.121.59] (10.67.121.59) by kwepemo100005.china.huawei.com (7.202.195.212) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.36; Thu, 16 Jul 2026 17:08:14 +0800 Message-ID: Date: Thu, 16 Jul 2026 17:08:13 +0800 Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 02/17] ACPI: processor: idle: Ignore _LPI states with SYSTEMIO entry method To: "Rafael J. Wysocki" , Linux PM CC: Linux ACPI , Sudeep Holla References: <4746278.LvFx2qVVIh@rafael.j.wysocki> <2268989.irdbgypaU6@rafael.j.wysocki> From: "lihuisong (C)" In-Reply-To: <2268989.irdbgypaU6@rafael.j.wysocki> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: kwepems200002.china.huawei.com (7.221.188.68) To kwepemo100005.china.huawei.com (7.202.195.212) On 7/9/2026 8:31 PM, Rafael J. Wysocki wrote: > From: "Rafael J. Wysocki" > > The only entry method for _LPI states supported by acpi_idle_lpi_enter() > is FFH and it is better to ignore _LPI states with the SYSTEMIO entry > method upfront than return an error from acpi_idle_lpi_enter() on > attempts to use them. > > Update acpi_processor_evaluate_lpi() accordingly. > > Signed-off-by: Rafael J. Wysocki > --- Acked-by: Huisong Li