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Subject: Re: [PATCH v4] iommu/of: Fix pci_request_acs() before enumerating PCI
 devices
To:     Xingang Wang <wangxingang5@huawei.com>,
        Bjorn Helgaas <helgaas@kernel.org>
CC:     <robh@kernel.org>, <will@kernel.org>, <joro@8bytes.org>,
        <robh+dt@kernel.org>, <gregkh@linuxfoundation.org>,
        <iommu@lists.linux-foundation.org>, <linux-kernel@vger.kernel.org>,
        <linux-pci@vger.kernel.org>, <xieyingtai@huawei.com>
References: <20210604190430.GA2220179@bjorn-Precision-5520>
 <7cd2f48a-8cb5-d290-7187-267d92e9a595@huawei.com>
From:   John Garry <john.garry@huawei.com>
Message-ID: <0379c9c4-f7c7-fe4d-596d-7486377c8462@huawei.com>
Date:   Tue, 8 Jun 2021 11:23:06 +0100
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On 07/06/2021 13:58, Xingang Wang wrote:
> On 2021/6/5 3:04, Bjorn Helgaas wrote:
>> [+cc John, who tested 6bf6c24720d3]

I think that whoever committed this patch just blanket applied my TB 
tag. I would not have tested anything supporting ACS or even DT:
https://lore.kernel.org/linux-iommu/c8eb97b1-dab5-cc25-7669-2819f64a885d@huawei.com/

Thanks,
John