[PATCH v2 08/13] tracing: Improve panic/die notifiers

Guilherme G. Piccoli gpiccoli at igalia.com
Sun Aug 7 08:46:03 PDT 2022


On 19/07/2022 16:53, Guilherme G. Piccoli wrote:
> Currently the tracing dump_on_oops feature is implemented
> through separate notifiers, one for die/oops and the other
> for panic - given they have the same functionality, let's
> unify them.
> 
> Also improve the function comment and change the priority of
> the notifier to make it execute earlier, avoiding showing useless
> trace data (like the callback names for the other notifiers);
> finally, we also removed an unnecessary header inclusion.
> 
> Cc: Petr Mladek <pmladek at suse.com>
> Cc: Sergei Shtylyov <sergei.shtylyov at gmail.com>
> Cc: Steven Rostedt <rostedt at goodmis.org>
> Signed-off-by: Guilherme G. Piccoli <gpiccoli at igalia.com>
> 
> ---
> 
> V2:
> - Different approach; instead of using IDs to distinguish die and
> panic events, rely on address comparison like other notifiers do
> and as per Petr's suggestion;
> 
> - Removed ACK from Steven since the code changed.
> 
>  kernel/trace/trace.c | 55 ++++++++++++++++++++++----------------------
>  1 file changed, 27 insertions(+), 28 deletions(-)
> [...]

Hi Sergei / Steve, do you think this version is good now, after your
last round of reviews?

Thanks,


Guilherme



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