linux-kernel - Re: [RFC PATCH v10 0/5] fix vt-d hard lockup when hotplug ATS capable device

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Message-ID: <9c10b57e-bdc3-4cfa-944d-21f5bcf2f4f2@linux.intel.com>
Date: Fri, 29 Dec 2023 17:28:50 +0800
From: Ethan Zhao <haifeng.zhao@...ux.intel.com>
To: "Tian, Kevin" <kevin.tian@...el.com>,
 "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
 "baolu.lu@...ux.intel.com" <baolu.lu@...ux.intel.com>,
 "dwmw2@...radead.org" <dwmw2@...radead.org>,
 "will@...nel.org" <will@...nel.org>,
 "robin.murphy@....com" <robin.murphy@....com>,
 "lukas@...ner.de" <lukas@...ner.de>
Cc: "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
 "iommu@...ts.linux.dev" <iommu@...ts.linux.dev>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH v10 0/5] fix vt-d hard lockup when hotplug ATS capable
 device


On 12/29/2023 4:18 PM, Tian, Kevin wrote:
>> From: Ethan Zhao <haifeng.zhao@...ux.intel.com>
>> Sent: Friday, December 29, 2023 1:02 AM
>>
>> change log:
>> v10:
>> - refactor qi_submit_sync() and its callers to get pci_dev instance, as
>>    Kevin pointed out add target_flush_dev to iommu is not right.
> let's not rush for new versions when there are still opens unclosed in
> previous one (and considering most related folks are in vacation).

Just have some hours these days to make it in well shape.

Okay, let's think, and wait for new comments.


Thanks,

Ethan