netdev - Re: [EXTERNAL] Re: [PATCH V4 net] net: mana: Fix MANA VF unload when host is unresponsive

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Date: Tue, 04 Jul 2023 08:59:03 +0200
From: Paolo Abeni <pabeni@...hat.com>
To: Souradeep Chakrabarti <schakrabarti@...rosoft.com>, Alexander Lobakin
	 <aleksander.lobakin@...el.com>, souradeep chakrabarti
	 <schakrabarti@...ux.microsoft.com>
Cc: KY Srinivasan <kys@...rosoft.com>, Haiyang Zhang
 <haiyangz@...rosoft.com>,  "wei.liu@...nel.org" <wei.liu@...nel.org>,
 Dexuan Cui <decui@...rosoft.com>, "davem@...emloft.net"
 <davem@...emloft.net>, "edumazet@...gle.com" <edumazet@...gle.com>, 
 "kuba@...nel.org" <kuba@...nel.org>, Long Li <longli@...rosoft.com>, Ajay
 Sharma <sharmaajay@...rosoft.com>, "leon@...nel.org" <leon@...nel.org>, 
 "cai.huoqing@...ux.dev" <cai.huoqing@...ux.dev>,
 "ssengar@...ux.microsoft.com" <ssengar@...ux.microsoft.com>,
 "vkuznets@...hat.com" <vkuznets@...hat.com>,  "tglx@...utronix.de"
 <tglx@...utronix.de>, "linux-hyperv@...r.kernel.org"
 <linux-hyperv@...r.kernel.org>, "netdev@...r.kernel.org"
 <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org"
 <linux-kernel@...r.kernel.org>, "linux-rdma@...r.kernel.org"
 <linux-rdma@...r.kernel.org>, "stable@...r.kernel.org"
 <stable@...r.kernel.org>
Subject: Re: [EXTERNAL] Re: [PATCH V4 net] net: mana: Fix MANA VF unload
 when host is unresponsive

On Mon, 2023-07-03 at 19:55 +0000, Souradeep Chakrabarti wrote:
> > -----Original Message-----
> > From: Alexander Lobakin <aleksander.lobakin@...el.com>
> > Sent: Monday, July 3, 2023 10:18 PM
> > To: souradeep chakrabarti <schakrabarti@...ux.microsoft.com>
> > Cc: KY Srinivasan <kys@...rosoft.com>; Haiyang Zhang
> > <haiyangz@...rosoft.com>; wei.liu@...nel.org; Dexuan Cui
> > <decui@...rosoft.com>; davem@...emloft.net; edumazet@...gle.com;
> > kuba@...nel.org; pabeni@...hat.com; Long Li <longli@...rosoft.com>; Ajay
> > Sharma <sharmaajay@...rosoft.com>; leon@...nel.org;
> > cai.huoqing@...ux.dev; ssengar@...ux.microsoft.com; vkuznets@...hat.com;
> > tglx@...utronix.de; linux-hyperv@...r.kernel.org; netdev@...r.kernel.org;
> > linux-kernel@...r.kernel.org; linux-rdma@...r.kernel.org;
> > stable@...r.kernel.org; Souradeep Chakrabarti <schakrabarti@...rosoft.com>
> > Subject: [EXTERNAL] Re: [PATCH V4 net] net: mana: Fix MANA VF unload when
> > host is unresponsive
> > 
> > From: Souradeep Chakrabarti <schakrabarti@...ux.microsoft.com>
> > Date: Mon,  3 Jul 2023 01:49:31 -0700
> > 
> > > From: Souradeep Chakrabarti <schakrabarti@...ux.microsoft.com>
> > 
> > Please sync your Git name and Git mail account settings, so that your own
> > patches won't have "From:" when sending. From what I see, you need to
> > correct first letters of name and surname to capital in the Git email settings
> > block.
> Thank you for pointing, I will fix it.
> > 
> > > 
> > > When unloading the MANA driver, mana_dealloc_queues() waits for the
> > > MANA hardware to complete any inflight packets and set the pending
> > > send count to zero. But if the hardware has failed,
> > > mana_dealloc_queues() could wait forever.
> > > 
> > > Fix this by adding a timeout to the wait. Set the timeout to 120
> > > seconds, which is a somewhat arbitrary value that is more than long
> > > enough for functional hardware to complete any sends.
> > > 
> > > Signed-off-by: Souradeep Chakrabarti
> > > <schakrabarti@...ux.microsoft.com>
> > 
> > Where's "Fixes:" tagging the blamed commit?
> This is present from the day zero of the mana driver code.
> It has not been introduced in the code by any commit.
> 

Then the fixes tag should be:

Fixes: ca9c54d2d6a5 ("net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)")

Cheers,

Paolo