linux-kernel - RE: [Patch net-next v2] net: mana: Handle hardware recovery events when probing the device

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Message-ID:
 <SA3PR21MB3867EBEB065D328200DAB1A4CAD6A@SA3PR21MB3867.namprd21.prod.outlook.com>
Date: Tue, 18 Nov 2025 21:18:45 +0000
From: Haiyang Zhang <haiyangz@...rosoft.com>
To: "longli@...ux.microsoft.com" <longli@...ux.microsoft.com>, KY Srinivasan
	<kys@...rosoft.com>, Wei Liu <wei.liu@...nel.org>, Dexuan Cui
	<DECUI@...rosoft.com>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet
	<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
	<pabeni@...hat.com>, Shradha Gupta <shradhagupta@...ux.microsoft.com>, Simon
 Horman <horms@...nel.org>, Konstantin Taranov <kotaranov@...rosoft.com>,
	Souradeep Chakrabarti <schakrabarti@...ux.microsoft.com>, Erick Archer
	<erick.archer@...look.com>, "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>
CC: Long Li <longli@...rosoft.com>
Subject: RE: [Patch net-next v2] net: mana: Handle hardware recovery events
 when probing the device



> -----Original Message-----
> From: longli@...ux.microsoft.com <longli@...ux.microsoft.com>
> Sent: Monday, November 17, 2025 8:52 PM
> To: KY Srinivasan <kys@...rosoft.com>; Haiyang Zhang
> <haiyangz@...rosoft.com>; Wei Liu <wei.liu@...nel.org>; Dexuan Cui
> <DECUI@...rosoft.com>; David S. Miller <davem@...emloft.net>; Eric Dumazet
> <edumazet@...gle.com>; Jakub Kicinski <kuba@...nel.org>; Paolo Abeni
> <pabeni@...hat.com>; Shradha Gupta <shradhagupta@...ux.microsoft.com>;
> Simon Horman <horms@...nel.org>; Konstantin Taranov
> <kotaranov@...rosoft.com>; Souradeep Chakrabarti
> <schakrabarti@...ux.microsoft.com>; Erick Archer
> <erick.archer@...look.com>; linux-hyperv@...r.kernel.org;
> netdev@...r.kernel.org; linux-kernel@...r.kernel.org; linux-
> rdma@...r.kernel.org
> Cc: Long Li <longli@...rosoft.com>
> Subject: [Patch net-next v2] net: mana: Handle hardware recovery events
> when probing the device
> 
> From: Long Li <longli@...rosoft.com>
> 
> When MANA is being probed, it's possible that hardware is in recovery
> mode and the device may get GDMA_EQE_HWC_RESET_REQUEST over HWC in the
> middle of the probe. Detect such condition and go through the recovery
> service procedure.
> 
> Fixes: fbe346ce9d62 ("net: mana: Handle Reset Request from MANA NIC")
> Signed-off-by: Long Li <longli@...rosoft.com>

Reviewed-by: Haiyang Zhang <haiyangz@...rosoft.com>