netdev - Re: mlx5 XDP redirect leaking memory on kernel 6.3

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Date: Mon, 17 Jul 2023 14:37:44 +0000
From: Dragos Tatulea <dtatulea@...dia.com>
To: "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"jbrouer@...hat.com" <jbrouer@...hat.com>
CC: "atzin@...hat.com" <atzin@...hat.com>, "linyunsheng@...wei.com"
	<linyunsheng@...wei.com>, "saeed@...nel.org" <saeed@...nel.org>,
	"ttoukan.linux@...il.com" <ttoukan.linux@...il.com>, "maxtram95@...il.com"
	<maxtram95@...il.com>, "kheib@...hat.com" <kheib@...hat.com>,
	"brouer@...hat.com" <brouer@...hat.com>, "jbenc@...hat.com"
	<jbenc@...hat.com>, "alexander.duyck@...il.com" <alexander.duyck@...il.com>,
	"bpf@...r.kernel.org" <bpf@...r.kernel.org>, "ilias.apalodimas@...aro.org"
	<ilias.apalodimas@...aro.org>, Tariq Toukan <tariqt@...dia.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>, "fmaurer@...hat.com"
	<fmaurer@...hat.com>, Saeed Mahameed <saeedm@...dia.com>, "mkabat@...hat.com"
	<mkabat@...hat.com>, "lorenzo@...nel.org" <lorenzo@...nel.org>
Subject: Re: mlx5 XDP redirect leaking memory on kernel 6.3

On Thu, 2023-07-13 at 17:31 +0200, Greg KH wrote:
> On Thu, Jul 13, 2023 at 04:58:04PM +0200, Jesper Dangaard Brouer wrote:
> > 
> > 
> > On 13/07/2023 12.11, Dragos Tatulea wrote:
> > > Gi Jesper,
> > > On Thu, 2023-07-13 at 11:20 +0200, Jesper Dangaard Brouer wrote:
> > > > Hi Dragos,
> > > > 
> > > > Below you promised to work on a fix for XDP redirect memory leak...
> > > > What is the status?
> > > > 
> > > The fix got merged into net a week ago:
> > > https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/drivers/net/ethernet/mellanox/mlx5/core?id=7abd955a58fb0fcd4e756fa2065c03ae488fcfa7
> > > 
> > > Just forgot to follow up on this thread. Sorry about that...
> > > 
> > 
> > Good to see it being fixed in net.git commit:
> >  7abd955a58fb ("net/mlx5e: RX, Fix page_pool page fragment tracking for
> > XDP")
> > 
> > This need to be backported into stable tree 6.3, but I can see 6.3.13 is
> > marked EOL (End-of-Life).
> > Can we still get this fix applied? (Cc. GregKH)
> 
> <formletter>
> 
> This is not the correct way to submit patches for inclusion in the
> stable kernel tree.  Please read:
>     https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
> for how to do this properly.
> 
> </formletter>
So...I am a bit confused: should I send the patch to stable for 6.13 according
to the stable submission rules or is it too late?

Thanks,
Dragos