From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from ale.deltatee.com (ale.deltatee.com [204.191.154.188]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6BC7B4C0402; Tue, 15 Sep 2026 18:32:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=204.191.154.188 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789497174; cv=none; b=Y/ZtkS80y+ElaweVVK5mKsn24DYh4OdJKTEmlKwQTzK+sNsXwGo0ak0MoOsu/SnqBn5ify8DosYnS9BlCe2aOcZ3x+3TnuVD/Wyt9QpAUjdL7jJSuccL9OMjB9WCRfiEwGXEnEp1UeofnTOR0OHd8j5lNlwDV1EOrrX4THpQK4Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789497174; c=relaxed/simple; bh=EgzBLKCUnkweSJWDVgEv1PxAAoqnBZcApwNT3Easxwo=; h=Message-ID:Date:MIME-Version:To:Cc:References:From:In-Reply-To: Content-Type:Subject; b=D8QXtCJmJOObdDtslyWE1/OshSOXf0IbVMqDf0hp6zRnlkq7+iUTKCIXM3xnKbsKoPFWWjcSYOmkkO3Oi7nZhMI3AaOqOEzfvxasRk0Jr3AMtbe+3VLH8KZbXw1RhhQkL9Uwvq8ChYsbE/FOvVX9U9+ojb/4oGXtYc+Or4TvcC4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=deltatee.com; spf=pass smtp.mailfrom=deltatee.com; dkim=pass (2048-bit key) header.d=deltatee.com header.i=@deltatee.com header.b=HgmkCbv3; arc=none smtp.client-ip=204.191.154.188 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=deltatee.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=deltatee.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=deltatee.com header.i=@deltatee.com header.b="HgmkCbv3" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=deltatee.com; s=20200525; h=Subject:In-Reply-To:From:References:Cc:To: MIME-Version:Date:Message-ID:content-disposition; bh=uOCSyC4CL237JyqkTpgbyJrO76YuQ0cImA4KOJ296Nk=; b=HgmkCbv3o9fsBkCowDzjEAERx6 V4swtiPuHsa3yCPo+YuW9BVeqVfzbuWoQoJ+spdu8V0qbKuQFBybxjGCEZGtiUo6eygcwrwt/Z1zU JXpgOSdqenx7KtwBNpyQEbxikDAUE8l7/RqamJvDZdxCr6nw9cGJYcSELxgY+51ca6slwuc7PyPAI USFTDDl+UxT4KJQ3/GdWQF7LZQ0vZqPiz6vLOwD6y/V1u6GDB9TEcyyc//qRJ9i33oiBKiVJzPfTY gRQijuy/84lZRDiOyKsrGtxoTk/7zrb5VhhIh+54hPYjOWM499bQaToYhIl2ShF+4cxvMIyku8SHe Sugxx6tA==; Received: from guinness.priv.deltatee.com ([172.16.1.162]) by ale.deltatee.com with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.98.2) (envelope-from ) id 1x6XxT-0000000AYbN-2IkP; Tue, 15 Sep 2026 12:32:44 -0600 Message-ID: <81897a7e-ae6d-4f19-a949-f70a0e27d417@deltatee.com> Date: Tue, 15 Sep 2026 12:32:38 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Koichiro Den , Jon Mason , Dave Jiang , Allen Hubbe Cc: Frank Li , fuyuanli , Greg Kroah-Hartman , Nicholas Bellinger , Joey Zhang , ntb@lists.linux.dev, linux-kernel@vger.kernel.org References: <20260910040836.3792333-1-den@valinux.co.jp> <20260910040836.3792333-5-den@valinux.co.jp> Content-Language: en-CA From: Logan Gunthorpe In-Reply-To: <20260910040836.3792333-5-den@valinux.co.jp> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 172.16.1.162 X-SA-Exim-Rcpt-To: den@valinux.co.jp, jdmason@kudzu.us, dave.jiang@intel.com, allenbh@gmail.com, Frank.Li@kernel.org, fuyuanli0722@gmail.com, gregkh@linuxfoundation.org, nab@linux-iscsi.org, joey.zhang@microchip.com, ntb@lists.linux.dev, linux-kernel@vger.kernel.org X-SA-Exim-Mail-From: logang@deltatee.com X-Spam-Level: Subject: Re: [PATCH v2 04/14] NTB: ntb_transport: Publish link state after QP setup X-SA-Exim-Version: 4.2.1 (built Sun, 23 Feb 2025 07:57:16 +0000) X-SA-Exim-Scanned: Yes (on ale.deltatee.com) On 2026-09-09 22:08, Koichiro Den wrote: > ntb_transport_link_work() marks the transport link up before setting > up the QPs' MW and peer MSI state. A concurrent ntb_transport_link_up() > can then queue QP link work, which may enable RX and notify the client > before setup finishes. > > Publish link_is_up with a release store after setting up all QPs, > and use acquire loads before queuing QP link work. > > Fixes: fce8a7bb5b4b ("PCI-Express Non-Transparent Bridge Support") > Cc: stable@vger.kernel.org > Link: https://lore.kernel.org/r/anyKbq3mpLG4y7rb@SMW015318 > Signed-off-by: Koichiro Den Reviewed-by: Logan Gunthorpe