netdev - RE: [EXTERNAL] Re: [PATCH] neighbour: guarantee the localhost connections be established successfully even the ARP table is full

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Date: Thu, 28 Mar 2024 08:55:40 +0000
From: Ratheesh Kannoth <rkannoth@...vell.com>
To: James Lee <lizheng043@...il.com>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "nhorman@...driver.com"
	<nhorman@...driver.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "jmorris@...ei.org" <jmorris@...ei.org>,
        "James.Z.Li@...l.com"
	<James.Z.Li@...l.com>,
        Simon Horman <horms@...nel.org>
Subject: RE: [EXTERNAL] Re: [PATCH] neighbour: guarantee the localhost
 connections be established successfully even the ARP table is full

> From: James Lee <lizheng043@...il.com>
> Sent: Thursday, March 28, 2024 2:11 PM
> To: Ratheesh Kannoth <rkannoth@...vell.com>
> Cc: linux-kernel@...r.kernel.org; netdev@...r.kernel.org;
> nhorman@...driver.com; davem@...emloft.net; jmorris@...ei.org;
> James.Z.Li@...l.com; Simon Horman <horms@...nel.org>
> Subject: Re: [EXTERNAL] Re: [PATCH] neighbour: guarantee the localhost
> connections be established successfully even the ARP table is full
> 

> It's not an issue, 
Please don’t top post

 >why need "post a new patch version"?
ASFAIK, only https://patchwork.kernel.org/project/netdevbpf/list/ will be actively looked up to merge patches.
I could be wrong. 

> 
> Ratheesh Kannoth <rkannoth@...vell.com> 于2024年3月22日周五
> 11:37写道：
> >
> > > From: James Lee <lizheng043@...il.com>
> > > Sent: Tuesday, March 19, 2024 3:13 PM
> > > To: Ratheesh Kannoth <rkannoth@...vell.com>
> > > Cc: linux-kernel@...r.kernel.org; netdev@...r.kernel.org;
> > > nhorman@...driver.com; davem@...emloft.net; jmorris@...ei.org;
> > > James.Z.Li@...l.com
> > > Subject: Re: [EXTERNAL] Re: [PATCH] neighbour: guarantee the
> > > localhost connections be established successfully even the ARP table
> > > is full
> > >
> > > It's not an issue, the loopback device can only be created by kernel
> > > itself, loopback neigh entry also can only be created by kernel, one
> > > loopback neigh for ipv4 ,one for ipv6, impossible that the num of
> > > loopback neigh entries exceeds 2.
> > ACK. I still feel like a hack. Please post a new patch version. Let maintainers
> take a call.