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Date: Tue, 2 Sep 2025 18:15:42 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Fan Gong <gongfan1@huawei.com>
Cc: Zhu Yikai <zhuyikai1@h-partners.com>, <netdev@vger.kernel.org>,
 <linux-kernel@vger.kernel.org>, "David S. Miller" <davem@davemloft.net>,
 Eric Dumazet <edumazet@google.com>, Paolo Abeni <pabeni@redhat.com>, Simon
 Horman <horms@kernel.org>, Andrew Lunn <andrew+netdev@lunn.ch>,
 <linux-doc@vger.kernel.org>, Jonathan Corbet <corbet@lwn.net>, Bjorn
 Helgaas <helgaas@kernel.org>, luosifu <luosifu@huawei.com>, Xin Guo
 <guoxin09@huawei.com>, Shen Chenyang <shenchenyang1@hisilicon.com>, Zhou
 Shuai <zhoushuai28@huawei.com>, Wu Like <wulike1@huawei.com>, Shi Jing
 <shijing34@huawei.com>, Meny Yossefi <meny.yossefi@huawei.com>, Gur Stavi
 <gur.stavi@huawei.com>, Lee Trager <lee@trager.us>, Michael Ellerman
 <mpe@ellerman.id.au>, Vadim Fedorenko <vadim.fedorenko@linux.dev>, Suman
 Ghosh <sumang@marvell.com>, Przemek Kitszel <przemyslaw.kitszel@intel.com>,
 Joe Damato <jdamato@fastly.com>, Christophe JAILLET
 <christophe.jaillet@wanadoo.fr>
Subject: Re: [PATCH net-next v03 05/14] hinic3: Command Queue flush
 interfaces
Message-ID: <20250902181542.13fc234b@kernel.org>
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On Sat, 30 Aug 2025 16:08:44 +0800 Fan Gong wrote:
> +	/* wait for chip to stop I/O */
> +	msleep(100);

This is a bit questionable. Is there no way to find out if the
transactions for a given queues are still in flight?