linux-kernel - RE: [PATCH net] net: mana: Fix Rx DMA datasize and skb_over

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Message-ID:
 <DM6PR21MB1481D2981B497CB339D84CBBCA3E2@DM6PR21MB1481.namprd21.prod.outlook.com>
Date: Tue, 2 Apr 2024 15:59:10 +0000
From: Haiyang Zhang <haiyangz@...rosoft.com>
To: Jakub Kicinski <kuba@...nel.org>, Dexuan Cui <decui@...rosoft.com>
CC: "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>, Wei Hu
	<weh@...rosoft.com>, stephen <stephen@...workplumber.org>, KY Srinivasan
	<kys@...rosoft.com>, Paul Rosswurm <paulros@...rosoft.com>, "olaf@...fle.de"
	<olaf@...fle.de>, "vkuznets@...hat.com" <vkuznets@...hat.com>,
	"davem@...emloft.net" <davem@...emloft.net>, "wei.liu@...nel.org"
	<wei.liu@...nel.org>, "edumazet@...gle.com" <edumazet@...gle.com>,
	"pabeni@...hat.com" <pabeni@...hat.com>, "leon@...nel.org" <leon@...nel.org>,
	Long Li <longli@...rosoft.com>, "ssengar@...ux.microsoft.com"
	<ssengar@...ux.microsoft.com>, "linux-rdma@...r.kernel.org"
	<linux-rdma@...r.kernel.org>, "daniel@...earbox.net" <daniel@...earbox.net>,
	"john.fastabend@...il.com" <john.fastabend@...il.com>, "bpf@...r.kernel.org"
	<bpf@...r.kernel.org>, "ast@...nel.org" <ast@...nel.org>,
	"sharmaajay@...rosoft.com" <sharmaajay@...rosoft.com>, "hawk@...nel.org"
	<hawk@...nel.org>, "tglx@...utronix.de" <tglx@...utronix.de>,
	"shradhagupta@...ux.microsoft.com" <shradhagupta@...ux.microsoft.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: RE: [PATCH net] net: mana: Fix Rx DMA datasize and skb_over_panic



> -----Original Message-----
> From: Jakub Kicinski <kuba@...nel.org>
> Sent: Tuesday, April 2, 2024 12:13 AM
> To: Dexuan Cui <decui@...rosoft.com>
> Cc: Haiyang Zhang <haiyangz@...rosoft.com>; linux-hyperv@...r.kernel.org;
> netdev@...r.kernel.org; Wei Hu <weh@...rosoft.com>; stephen
> <stephen@...workplumber.org>; KY Srinivasan <kys@...rosoft.com>; Paul
> Rosswurm <paulros@...rosoft.com>; olaf@...fle.de; vkuznets@...hat.com;
> davem@...emloft.net; wei.liu@...nel.org; edumazet@...gle.com;
> pabeni@...hat.com; leon@...nel.org; Long Li <longli@...rosoft.com>;
> ssengar@...ux.microsoft.com; linux-rdma@...r.kernel.org;
> daniel@...earbox.net; john.fastabend@...il.com; bpf@...r.kernel.org;
> ast@...nel.org; sharmaajay@...rosoft.com; hawk@...nel.org;
> tglx@...utronix.de; shradhagupta@...ux.microsoft.com; linux-
> kernel@...r.kernel.org; stable@...r.kernel.org
> Subject: Re: [PATCH net] net: mana: Fix Rx DMA datasize and
> skb_over_panic
> 
> On Tue, 2 Apr 2024 01:23:08 +0000 Dexuan Cui wrote:
> > > > I suggest the Fixes tag should be updated. Otherwise the fix
> > > > looks good to me.
> > >
> > > Thanks for the suggestion. I actually thought about this before
> > > submission.
> > > I was worried about someone back ports the jumbo frame feature,
> > > they may not automatically know this patch should be backported
> > > too.
> >
> > The jumbo frame commit (2fbbd712baf1) depends on the MTU
> > commit (2fbbd712baf1), so adding "Fixes: 2fbbd712baf1" (
> > instead of "Fixes: ca9c54d2d6a5") might make it easier for people
> > to notice and pick up this fix.
> >
> > I'm OK if the patch remains as is. Just wanted to make  sure I
> > understand the issue here.
> 
> Please update the tag to where the bug was actually first exposed.

Thank Dexuan and Jakub for the suggestions. I will update the tag.

- Haiyang