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Message-ID: <bd317a41-a8c9-4029-9ec6-9076fa5aad92@linux.intel.com>
Date: Tue, 30 Jan 2024 13:23:04 +0800
From: Ethan Zhao <haifeng.zhao@...ux.intel.com>
To: "Tian, Kevin" <kevin.tian@...el.com>,
 "baolu.lu@...ux.intel.com" <baolu.lu@...ux.intel.com>,
 "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
 "robin.murphy@....com" <robin.murphy@....com>, "jgg@...pe.ca" <jgg@...pe.ca>
Cc: "dwmw2@...radead.org" <dwmw2@...radead.org>,
 "will@...nel.org" <will@...nel.org>, "lukas@...ner.de" <lukas@...ner.de>,
 "Liu, Yi L" <yi.l.liu@...el.com>,
 "iommu@...ts.linux.dev" <iommu@...ts.linux.dev>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
 Haorong Ye <yehaorong@...edance.com>
Subject: Re: [PATCH v12 1/5] PCI: make pci_dev_is_disconnected() helper public
 for other drivers


On 1/29/2024 4:50 PM, Tian, Kevin wrote:
>> From: Ethan Zhao <haifeng.zhao@...ux.intel.com>
>> Sent: Monday, January 29, 2024 11:49 AM
>>
>> Make pci_dev_is_disconnected() public so that it can be called from
>> Intel VT-d driver to quickly fix/workaround the surprise removal
>> unplug hang issue for those ATS capable devices on PCIe switch downstream
>> hotplug capable ports.
>>
>> Beside pci_device_is_present() function, this one has no config space
> s/Beside/Unlike/

Beside means 'comparing with' here, perhaps it is not clear enough

or there is syntax error if used here ?



Thanks,

Ethan

>
>> space access, so is light enough to optimize the normal pure surprise
>> removal and safe removal flow.
> somehow this paragraph belongs to the patch using it. The 1st paragraph
> is sufficient for the reason of exposure.

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