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 E9828C433F5 for ; Thu, 30 Dec 2021 16:50:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241368AbhL3Qul (ORCPT ); Thu, 30 Dec 2021 11:50:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42486 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240222AbhL3Qul (ORCPT ); Thu, 30 Dec 2021 11:50:41 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C2F59C061574; Thu, 30 Dec 2021 08:50:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender :Reply-To:Content-ID:Content-Description; bh=KCIuKfYCj4UNj6Bbz3o+wzTEwkTdr3miPJh0cjsBii0=; b=PyDcTfTYoXlY89XosfCrZV15Xb 4dgELtnkGLeUg+RtHdl+gCYTyGRsOzt3e/nu7+NApB97KfCyumzwt/OlrIpGKf7XixRZWN1HbZO76 636OoDykHk+6GyV+WhdCb6kBaTs7A6QRzZui2+wdwYuRu9cKIO89Dc9bFR4jz8yD/CRGPyZzCHQzu 4z2Lzol2f8mu1JdijQULmc5K9KNjSMDdZzwFzKTglrp+AlciaElI1PbnvNzPVxjtICLwX0ndfefWx 9G2/N9gMHBfd6h/yIV2nrL8rOKvB2829tOM1dMkRwHVaGiJS/cGq9V6ugSpk6qS5K/dwUNDczBZXV jIpmn+0Q==; Received: from [2601:1c0:6280:3f0::aa0b] by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1n2ydQ-009vPU-Ri; Thu, 30 Dec 2021 16:50:37 +0000 Message-ID: <1e32a809-013d-fea5-2f9c-eee382afc3cc@infradead.org> Date: Thu, 30 Dec 2021 08:50:32 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.1 Subject: Re: [RFC PATCH] PCI: Add "pci=reassign_all_bus" boot parameter Content-Language: en-US To: Yao Hongbo , bhelgaas@google.com Cc: zhangliguang@linux.alibaba.com, alikernel-developer@linux.alibaba.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org References: <1640856613-101412-1-git-send-email-yaohongbo@linux.alibaba.com> From: Randy Dunlap In-Reply-To: <1640856613-101412-1-git-send-email-yaohongbo@linux.alibaba.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Hi-- On 12/30/21 01:30, Yao Hongbo wrote: > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt > index 2fba824..c83a2e5 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -4084,6 +4084,7 @@ > nomio [S390] Do not use MIO instructions. > norid [S390] ignore the RID field and force use of > one PCI domain per PCI function > + reassign_all_bus The OS fully configure the PCI bus. configures > > pcie_aspm= [PCIE] Forcibly enable or disable PCIe Active State Power > Management. thanks. -- ~Randy