linux-kernel - Re: [PATCH net] net: hns3: Clear the CMDQ registers before unmapping BAR region

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Message-ID: <416bed1a-ce64-d326-3a7a-a8c8258c0bac@huawei.com>
Date:   Tue, 27 Oct 2020 09:42:01 +0800
From:   Yunsheng Lin <linyunsheng@...wei.com>
To:     Jakub Kicinski <kuba@...nel.org>
CC:     Zenghui Yu <yuzenghui@...wei.com>, <yisen.zhuang@...wei.com>,
        <salil.mehta@...wei.com>, <davem@...emloft.net>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <wanghaibin.wang@...wei.com>, <tanhuazhong@...wei.com>
Subject: Re: [PATCH net] net: hns3: Clear the CMDQ registers before unmapping
 BAR region

On 2020/10/27 9:25, Jakub Kicinski wrote:
> On Tue, 27 Oct 2020 09:24:10 +0800 Yunsheng Lin wrote:
>>> Fixes: 862d969a3a4d ("net: hns3: do VF's pci re-initialization while PF doing FLR")  
>>
>> The correct Fixes tag should be:
>>
>> Fixes: e3338205f0c7 ("net: hns3: uninitialize pci in the hclgevf_uninit")
> 
> Why is that?
> 
> Isn't the issue the order of cmd vs pci calls? e3338205f0c7 only takes
> the pci call from under an if, the order was wrong before.

You are right, the e3338205f0c7 only add the missing hclgevf_pci_uninit()
when HCLGEVF_STATE_IRQ_INITED is not set.

So I think the tag you provided is correct, thanks.

> .
>