netdev - Re: [PATCH net-next v2 0/9] l2tp: replace custom logging code with tracepoints

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Date:   Sat, 22 Aug 2020 12:44:55 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     tparkin@...alix.com
Cc:     netdev@...r.kernel.org, jchapman@...alix.com
Subject: Re: [PATCH net-next v2 0/9] l2tp: replace custom logging code with
 tracepoints

From: Tom Parkin <tparkin@...alix.com>
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 checkpatch.pl 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
> checkpatch.pl'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.