Received: by 2002:a05:6a10:22f:0:0:0:0 with SMTP id 15csp1339706pxk; Thu, 10 Sep 2020 12:57:23 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzHlg/mm/AIrRfw2XEw4fpAMsRrLwXB8C4tVyCpBTFHCVMseo2V+aNAwy+41J5L25umKso+ X-Received: by 2002:aa7:c98d:: with SMTP id c13mr11414824edt.199.1599767843206; Thu, 10 Sep 2020 12:57:23 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1599767843; cv=none; d=google.com; s=arc-20160816; b=mVY7Qdw9buOy5p+bt1kVxH+9X3V+SqKfYKF9bqFwRVjD+SUFjKTugKYdvLforz4Uex oceKXYBEpxsCF1ErtVMwgZqD42KWOjGa1KRswILeKLXrSUINZ9m5oXgM/8R66pmxUsTe XL0zG6KIEk4WhP1ozad0tBqPnPiIqaH9iReEjYHbt5AzJKqOi6typBiXPr57fjBdNh9/ 7PgoYt59UFvxNNlEhGcMrwimOsnB1B+we0PA7uRTtoET1mtR7xUl9t307/IKLcd+2e1M rgSvvrWaXkGa/D+M+EcBRpECYfcFpb+psdXXAbhf0QF9FdPKHW9UsYbkLvliCOVdU9zr nW7A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:from:subject:cc:to:message-id:date; bh=2Q2/nsxgwz2v7YlGbhmhQPe2z1L+YUuW5WAcbY5ZPDc=; b=Wfm8SBayZDG9qrC8ehnwGN+zrCKnhV62zqCuFGtnqL+5uyqt7FJQMTje7Bqhp+BbjX P4zLHyvOjzI/fslvuXuyocxtujGRTXTbimiu2kssBuZ4gaOAf3JBezMZjZVQ+3UWfmMl tb8ulxBfg99k8NAgAOO7V3gGFB4OG0fetyEqDXjie9nB3VOPFYQTb+9/LB09aqF5grNU w/g85XB9/vIYAfsrmcMEhJorbxoA4CGvjW+0Ue85xJHURI+bk1eFH0tdjlaHUZ8YQVWW Okm3Q992onkk/ilH9gm9qQxHE3VT/M7ZvQ+yeFHWUIJgR2PmuJFLiVjAfYdwpd3LeEZA pXLw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id f4si4102306edj.307.2020.09.10.12.57.00; Thu, 10 Sep 2020 12:57:23 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726741AbgIJT4W (ORCPT + 99 others); Thu, 10 Sep 2020 15:56:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726443AbgIJT4A (ORCPT ); Thu, 10 Sep 2020 15:56:00 -0400 Received: from shards.monkeyblade.net (shards.monkeyblade.net [IPv6:2620:137:e000::1:9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6188DC061757; Thu, 10 Sep 2020 12:56:00 -0700 (PDT) Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id D586D12A34059; Thu, 10 Sep 2020 12:39:12 -0700 (PDT) Date: Thu, 10 Sep 2020 12:55:59 -0700 (PDT) Message-Id: <20200910.125559.221805987411215100.davem@davemloft.net> To: decui@microsoft.com Cc: kuba@kernel.org, wei.liu@kernel.org, kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, linux-hyperv@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, mikelley@microsoft.com, saeedm@mellanox.com, markb@mellanox.com Subject: Re: [PATCH net 2/2] hv_netvsc: Cache the current data path to avoid duplicate call and message From: David Miller In-Reply-To: <20200909040819.19053-1-decui@microsoft.com> References: <20200909040819.19053-1-decui@microsoft.com> X-Mailer: Mew version 6.8 on Emacs 27.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [2620:137:e000::1:9]); Thu, 10 Sep 2020 12:39:13 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dexuan Cui Date: Tue, 8 Sep 2020 21:08:19 -0700 > The previous change "hv_netvsc: Switch the data path at the right time > during hibernation" adds the call of netvsc_vf_changed() upon > NETDEV_CHANGE, so it's necessary to avoid the duplicate call and message > when the VF is brought UP or DOWN. > > Signed-off-by: Dexuan Cui Applied.