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Date:   Sat, 22 Aug 2020 12:44:55 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH net-next v2 0/9] l2tp: replace custom logging code with

From: Tom Parkin <>
Date: Sat, 22 Aug 2020 15:59:00 +0100

> 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
> I note that warns about the layout of code in the
> newly-added file net/l2tp/trace.h.  When adding this file I followed the
> example(s) of other tracepoint files in the net/ subtree since it seemed
> preferable to adhere to the prevailing style rather than follow
>'s advice in this instance.  If that's the wrong
> approach please let me know.
> v1 -> v2
>  * Fix up a build warning found by the kernel test robot

Series applied, thanks Tom.

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