linux-kernel - RE: [EXTERNAL] Re: [PATCH net-next] net: mana: Record doorbell physical address in PF mode

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Message-ID:
 <LV2PR21MB33004495584CAB875065C4D2CE6AA@LV2PR21MB3300.namprd21.prod.outlook.com>
Date: Tue, 10 Jun 2025 23:43:55 +0000
From: Long Li <longli@...rosoft.com>
To: Jakub Kicinski <kuba@...nel.org>, "longli@...uxonhyperv.com"
	<longli@...uxonhyperv.com>
CC: 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>, 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>
Subject: RE: [EXTERNAL] Re: [PATCH net-next] net: mana: Record doorbell
 physical address in PF mode

> Subject: [EXTERNAL] Re: [PATCH net-next] net: mana: Record doorbell physical
> address in PF mode
> 
> On Mon,  9 Jun 2025 16:09:40 -0700 longli@...uxonhyperv.com wrote:
> > From: Long Li <longli@...rosoft.com>
> >
> > MANA supports RDMA in PF mode. The driver should record the doorbell
> > physical address when in PF mode.
> 
> Could you explain in more detail what happens if it doesn't?
> What user-visible improvement does this patch bring?

Yes, I'm sending v2 with more details in the commit message.

> --
> pw-bot: cr