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Message-ID: <8b0696a63d3f9cdcd4d9a8d933826e9ea1cb126b.camel@redhat.com>
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
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