linux-kernel - Re: [PATCH net v2] net: ti: icssg-prueth: Fix race condition for VLAN table access

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Message-ID: <dc17ed49-aed6-4c44-97e9-d6b21e5966dd@kernel.org>
Date: Mon, 7 Oct 2024 14:48:17 +0300
From: Roger Quadros <rogerq@...nel.org>
To: MD Danish Anwar <danishanwar@...com>, robh@...nel.org,
 jan.kiszka@...mens.com, diogo.ivo@...mens.com, andrew@...n.ch,
 pabeni@...hat.com, kuba@...nel.org, edumazet@...gle.com, davem@...emloft.net
Cc: linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, srk@...com,
 Vignesh Raghavendra <vigneshr@...com>
Subject: Re: [PATCH net v2] net: ti: icssg-prueth: Fix race condition for VLAN
 table access



On 07/10/2024 08:41, MD Danish Anwar wrote:
> The VLAN table is a shared memory between the two ports/slices
> in a ICSSG cluster and this may lead to race condition when the
> common code paths for both ports are executed in different CPUs.
> 
> Fix the race condition access by locking the shared memory access
> 
> Fixes: 487f7323f39a ("net: ti: icssg-prueth: Add helper functions to configure FDB")
> Signed-off-by: MD Danish Anwar <danishanwar@...com>

Reviewed-by: Roger Quadros <rogerq@...nel.org>