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

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Message-ID: <20201026202742.3bbdfae8@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net>
Date:   Mon, 26 Oct 2020 20:27:42 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Yunsheng Lin <linyunsheng@...wei.com>
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 Tue, 27 Oct 2020 09:42:01 +0800 Yunsheng Lin wrote:
> 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.

Great, added the tag and applied, thanks!