linux-kernel - Re: [PATCH net-next v03 05/14] hinic3: Command Queue flush interfaces

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Message-ID: <20250902181542.13fc234b@kernel.org>
Date: Tue, 2 Sep 2025 18:15:42 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Fan Gong <gongfan1@...wei.com>
Cc: Zhu Yikai <zhuyikai1@...artners.com>, <netdev@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>, "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Simon
 Horman <horms@...nel.org>, Andrew Lunn <andrew+netdev@...n.ch>,
 <linux-doc@...r.kernel.org>, Jonathan Corbet <corbet@....net>, Bjorn
 Helgaas <helgaas@...nel.org>, luosifu <luosifu@...wei.com>, Xin Guo
 <guoxin09@...wei.com>, Shen Chenyang <shenchenyang1@...ilicon.com>, Zhou
 Shuai <zhoushuai28@...wei.com>, Wu Like <wulike1@...wei.com>, Shi Jing
 <shijing34@...wei.com>, Meny Yossefi <meny.yossefi@...wei.com>, Gur Stavi
 <gur.stavi@...wei.com>, Lee Trager <lee@...ger.us>, Michael Ellerman
 <mpe@...erman.id.au>, Vadim Fedorenko <vadim.fedorenko@...ux.dev>, Suman
 Ghosh <sumang@...vell.com>, Przemek Kitszel <przemyslaw.kitszel@...el.com>,
 Joe Damato <jdamato@...tly.com>, Christophe JAILLET
 <christophe.jaillet@...adoo.fr>
Subject: Re: [PATCH net-next v03 05/14] hinic3: Command Queue flush
 interfaces

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?