netdev - Re: [RFC net] net: make page pool stall netdev unregistration to avoid IOMMU crashes

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Message-ID: <20240807072710.0e7934e1@kernel.org>
Date: Wed, 7 Aug 2024 07:27:10 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Yonglong Liu <liuyonglong@...wei.com>
Cc: <netdev@...r.kernel.org>, <davem@...emloft.net>, <edumazet@...gle.com>,
 <pabeni@...hat.com>, <ilias.apalodimas@...aro.org>, Jesper Dangaard Brouer
 <hawk@...nel.org>, Alexander Duyck <alexander.duyck@...il.com>, Yunsheng
 Lin <linyunsheng@...wei.com>
Subject: Re: [RFC net] net: make page pool stall netdev unregistration to
 avoid IOMMU crashes

On Wed, 7 Aug 2024 15:03:06 +0800 Yonglong Liu wrote:
> I tested this patch, have the same crash as I reported...

Which driver, this is only gonna work if the driver hooks the netdev 
to the page pool. Which is still rare for drivers lacking community
involvement.