Received: by 2002:a05:6a10:c604:0:0:0:0 with SMTP id y4csp239855pxt; Fri, 6 Aug 2021 00:22:45 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxF7IEe0zUFDg9rOJjP/NSMZTuOGeMNohrJ5u8X0rqu8r4P2B43KgMaQd3deNHVreZzU6G9 X-Received: by 2002:a05:6e02:e0c:: with SMTP id a12mr64991ilk.179.1628234565102; Fri, 06 Aug 2021 00:22:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1628234565; cv=none; d=google.com; s=arc-20160816; b=AUTg0HihIjY+hhO8FPZU6kmzF5Ir2bZQS00Zu9zDyCi4oAofHDrDBSn+U98693VILF 3ztODCwb7jazoUmlRMhDmsXsqw/MLCxuXAcVZUHrkFk31GuZTt2JbtprctZtQPDE+Yjs cN5ykuy99LlnNcYon20slYmJ+9pe5pR8leWfxJPKE5cRpb5l9UUgQhW9xVACN/UG37YM agsOJtnlBZwxED8YYj6J/hDUrtV54p17aJ1eKIdQAPImEiTb50MTD8IxivRDfZRI1Tuc 90SY01QbiK4ISY3WMxVV6h3zs8/xmsAUKUTY3BwTeTM3LMvqUoJskCcDFbsoqWKiqCyK V3ow== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date :dkim-signature; bh=C6LM9q3cF+FnQruGY1AmcimZvBM1+ShWh5hwaGRYuBk=; b=vube42Dju1FNnKW02UVZ6Hdq9dW1Wro2BKl1KeK4iheL1QFDuKQW960IKFZ27qJazb 7nR2m+EaXHGxfFX9/9ih1ApH70nGDvJ+RPnENCFjT8GXv0ewbmC1aaJF/qQICgPvxfUS JE4oiIX2YQ33rvkZPl6W+m2ZE2mBHObGSpqbbktXSwlqCqvBsYRC/3OB1z3m/oPHxCQh m7EYhWs6SD8NV9Qx+cTGcqcwOTMsWMHaPeu6x8kzvOKkxikciUVo07PPrcKLyj3QTcMb O2dpAcdPks5PZObl0v0O5UJxy9vKr9AewZbAtekvHsoZYgT/k28M48QCPF6Sja3WSazX XbiQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=PVm56W2Y; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id o15si7941905ilf.79.2021.08.06.00.22.33; Fri, 06 Aug 2021 00:22:45 -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; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=PVm56W2Y; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240879AbhHFBmF (ORCPT + 99 others); Thu, 5 Aug 2021 21:42:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:33932 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232199AbhHFBmE (ORCPT ); Thu, 5 Aug 2021 21:42:04 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6135C60FE7; Fri, 6 Aug 2021 01:41:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1628214109; bh=FfK+ePBJBsaDkLWBUs4QMRQeq+FMOyhP/dXk4C5QRUQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=PVm56W2YrM/yJeH2wDmxYhNVhUnsoG32Orp9LlEzLxC/a3Uj/pb1w8KXLkI6lja7u ITTzKf0rpYI32U/o70OQ2LuzfGC0I9pNIX0+bFkKm++YDKnW0lv9BkJ4W2TO7/X65l ne+Ljtd7AggEajY5e6a2wMqls3YIUwtW4oBfv0bG+enob7WNDSTVjzcg8ZBMysB132 gjE2Uyq5/I+z8bv2ceWC0dtG3MMv88syfkNbhCprnzGfPy28xfVm13VLnRI8ZoOcVc XL6ChHRsIR9oO2VpT7f5EKpqPaiC2N6udVZSU85kKMGtLbZMjeKFlVGitCXG+KMz+U 9IO40UhFvziPQ== Date: Thu, 5 Aug 2021 18:41:48 -0700 From: Jakub Kicinski To: Alex Elder Cc: davem@davemloft.net, bjorn.andersson@linaro.org, evgreen@chromium.org, cpratapa@codeaurora.org, subashab@codeaurora.org, elder@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next 2/6] net: ipa: reorder netdev pointer assignments Message-ID: <20210805184148.46bc33e9@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> In-Reply-To: <20210805182712.4f071aa8@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> References: <20210804153626.1549001-1-elder@linaro.org> <20210804153626.1549001-3-elder@linaro.org> <20210805182712.4f071aa8@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 5 Aug 2021 18:27:12 -0700 Jakub Kicinski wrote: > On Wed, 4 Aug 2021 10:36:22 -0500 Alex Elder wrote: > > Assign the ipa->modem_netdev and endpoint->netdev pointers *before* > > registering the network device. As soon as the device is > > registered it can be opened, and by that time we'll want those > > pointers valid. > > > > Similarly, don't make those pointers NULL until *after* the modem > > network device is unregistered in ipa_modem_stop(). > > > > Signed-off-by: Alex Elder > > This one seems like a pretty legit race, net would be better if you > don't mind. Ah, this set was already applied, don't mind me :)