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

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Message-ID: <2023071357-unscrew-customary-fbae@gregkh>
Date: Thu, 13 Jul 2023 17:31:07 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Jesper Dangaard Brouer <jbrouer@...hat.com>
Cc: Dragos Tatulea <dtatulea@...dia.com>, Tariq Toukan <tariqt@...dia.com>,
	Saeed Mahameed <saeedm@...dia.com>,
	"saeed@...nel.org" <saeed@...nel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	brouer@...hat.com, "maxtram95@...il.com" <maxtram95@...il.com>,
	"lorenzo@...nel.org" <lorenzo@...nel.org>,
	"alexander.duyck@...il.com" <alexander.duyck@...il.com>,
	"kheib@...hat.com" <kheib@...hat.com>,
	"ilias.apalodimas@...aro.org" <ilias.apalodimas@...aro.org>,
	"mkabat@...hat.com" <mkabat@...hat.com>,
	"atzin@...hat.com" <atzin@...hat.com>,
	"fmaurer@...hat.com" <fmaurer@...hat.com>,
	"bpf@...r.kernel.org" <bpf@...r.kernel.org>,
	"jbenc@...hat.com" <jbenc@...hat.com>,
	"linyunsheng@...wei.com" <linyunsheng@...wei.com>,
	"ttoukan.linux@...il.com" <ttoukan.linux@...il.com>
Subject: Re: mlx5 XDP redirect leaking memory on kernel 6.3

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>