From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=networkplumber-org.20230601.gappssmtp.com header.i=@networkplumber-org.20230601.gappssmtp.com header.b="wbzQOQcX" Received: from mail-il1-x130.google.com (mail-il1-x130.google.com [IPv6:2607:f8b0:4864:20::130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 434F7C2 for ; Sun, 19 Nov 2023 08:53:56 -0800 (PST) Received: by mail-il1-x130.google.com with SMTP id e9e14a558f8ab-35ab17957c3so13769395ab.3 for ; Sun, 19 Nov 2023 08:53:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1700412835; x=1701017635; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=gUS1v3wNMMoGJxYMVaBxxhfLYqoOUIyNu6oyB8+7CoY=; b=wbzQOQcXZjPccipsqkggz9I7/TGZ7HrYMG6u5StgQPR/7lrAu0oK1CDxNdjYo4dFNM yz1XWPaVCXhAXfPE1QRk8aGqqtYvJXdDpWNvt6l6hRjXt0jEadYcIhFqmRL6t8VsdsJD 7uglHbQUC4YRD3y9WUKVp2ePcZIMB5oVH2mNNXegVVj9JRGCXFjO3v5qAlZ+XCI+45a9 ZeRAJsEo/YP/l0XJm7xCjt7z0U/8IsYwGvSN0zUMXGnUmXPGR1AANwHwFOrWt0GcJ5LC CInrVPuCDy0PcjfaTcOfVaXtit6hmJl+SBVckbveiuZor29rZfzKAtGLq0FiS/a/VkA7 dwwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700412835; x=1701017635; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=gUS1v3wNMMoGJxYMVaBxxhfLYqoOUIyNu6oyB8+7CoY=; b=bm4chYnEk0AiVQW6xfWg+sVMQWYqbdX7Uy1z2LSpTK6nepLRvwm/YuuHQjk5vizPJg 2metApZ/VhkYyoO91BF+x5UiGN+PpfK+djwD9SGvTxWLL13OjYORO4aF4WDZNtIpVztV M6Hd36k7nZw12nEE19ECKRD5dv3Z/JfYVAPj3dy+gV7Va5AbsnKnBJI3lCywEIbWWMnb Wfl3Ph8JQJHPfu/vRQ5Oz7RAmDykQn15uQoixMwuBAOInw0JO2jSa2fLp8/cUJ494KrL RICtaTqlDgd3meAtSk5x8EGjpXdIaqnJET66/E9OnJ69Al8hXd/KKXZ5fU7RGgCAZXK3 +/2Q== X-Gm-Message-State: AOJu0Yx3CmYNpJ9++3zlbfm6LjLqwXAc8R0rCsW42oQ5KS3OY6QTsMi3 lSLTLjaPYkkzNh6heZVZByNNxQ== X-Google-Smtp-Source: AGHT+IGZk8yR7OXDxLijh8akMDnL2tiCC7udbApOFmoHTqjULbw6221/2olHGvdVIKe0x5tKMk3c7w== X-Received: by 2002:a05:6e02:154f:b0:357:6bd2:b2ad with SMTP id j15-20020a056e02154f00b003576bd2b2admr7366973ilu.22.1700412835617; Sun, 19 Nov 2023 08:53:55 -0800 (PST) Received: from hermes.local (204-195-123-141.wavecable.com. [204.195.123.141]) by smtp.gmail.com with ESMTPSA id fh6-20020a056a00390600b0069343e474bcsm4537415pfb.104.2023.11.19.08.53.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 19 Nov 2023 08:53:55 -0800 (PST) Date: Sun, 19 Nov 2023 08:53:53 -0800 From: Stephen Hemminger To: Haiyang Zhang Cc: linux-hyperv@vger.kernel.org, netdev@vger.kernel.org, kys@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, davem@davemloft.net, linux-kernel@vger.kernel.org, Long Li , stable@vger.kernel.org Subject: Re: [PATCH net,v5, 3/3] hv_netvsc: Mark VF as slave before exposing it to user-mode Message-ID: <20231119085353.757792c1@hermes.local> In-Reply-To: <1700411023-14317-4-git-send-email-haiyangz@microsoft.com> References: <1700411023-14317-1-git-send-email-haiyangz@microsoft.com> <1700411023-14317-4-git-send-email-haiyangz@microsoft.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Sun, 19 Nov 2023 08:23:43 -0800 Haiyang Zhang wrote: > From: Long Li > > When a VF is being exposed form the kernel, it should be marked as "slave" > before exposing to the user-mode. The VF is not usable without netvsc > running as master. The user-mode should never see a VF without the "slave" > flag. > > This commit moves the code of setting the slave flag to the time before > VF is exposed to user-mode. > > Cc: stable@vger.kernel.org > Fixes: 0c195567a8f6 ("netvsc: transparent VF management") > Signed-off-by: Long Li > Signed-off-by: Haiyang Zhang Acked-by: Stephen Hemminger