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Date:   Fri, 21 Aug 2020 12:25:28 +0100
From:   James Chapman <>
To:     Tom Parkin <>,
Subject: Re: [PATCH net-next 0/9] l2tp: replace custom logging code with

On 21/08/2020 11:47, Tom Parkin wrote:
> The l2tp subsystem implemented custom logging macros for debugging
> purposes which were controlled using a set of debugging flags in each
> tunnel and session structure.
> A more standard and easier-to-use approach is to use tracepoints.
> This patchset refactors l2tp to:
>  * remove excessive logging
>  * tweak useful log messages to use the standard pr_* calls for logging
>    rather than the l2tp wrappers
>  * replace debug-level logging with tracepoints
>  * add tracepoints for capturing tunnel and session lifetime events

Acked-by: James Chapman <>

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