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 X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3B66C433ED for ; Tue, 11 May 2021 15:30:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 854B861622 for ; Tue, 11 May 2021 15:30:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231609AbhEKPbI (ORCPT ); Tue, 11 May 2021 11:31:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34438 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231461AbhEKPbE (ORCPT ); Tue, 11 May 2021 11:31:04 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AAA5BC061574 for ; Tue, 11 May 2021 08:29:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=69yGNYkFReLimODTTV/EkLhTqjWvmaR0v4e6FEqzlY8=; b=TxDIUE+PaOSGAiX1MM9Py/Ixf7 G297xPzTcWVNMafTTl7dCMfITQbVIr85jfeSSVtRz383lVvAKK4BH+lM4FXY6W8M9zh71n4FuUz1o mzuc3lW2L7SfZcqoTzipB8kYdOrlFXqtNgh1VB1lOYVT9E0gtsAQGAI2Ne/8GfrrxVs89EiqZBc08 7MIf9nlOacNdqgIHqi3EY7aal4Dv7SmEZteU5N5jb6a9SLyX1QO1F4GKxIEX5ZwSTR3aniMVW+BAb wV2i+xtvD8uxpH2knRW9vPqIej0hWgL3NFxlAgSx0aO49mpUZDlyaf/tAg09cW/vVArcP6YaCHKmx a/zac54A==; Received: from hch by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lgUKS-007PNt-5j; Tue, 11 May 2021 15:29:49 +0000 Date: Tue, 11 May 2021 16:29:48 +0100 From: Christoph Hellwig To: Dongdong Liu Cc: helgaas@kernel.org, hch@infradead.org, linux-pci@vger.kernel.org Subject: Re: [PATCH V2 5/5] PCI: Enable 10-Bit tag support for PCIe RP devices Message-ID: References: <1620745965-91535-1-git-send-email-liudongdong3@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1620745965-91535-1-git-send-email-liudongdong3@huawei.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org > + /* > + * PCIe spec 5.0r1.0 section 2.2.6.2 implementation note > + * For configurations where a Requester with 10-Bit Tag Requester capability > + * targets Completers where some do and some do not have 10-Bit Tag > + * Completer capability, how the Requester determines which NPRs include > + * 10-Bit Tags is outside the scope of this specification. So we do not consider > + * hotplug scenario. > + */ Please avoid > 80 char lines that make comments completely unreadable.