Re: [PATCH v3 0/3] Add error_report_end tracepoint to KFENCE and KASAN

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On Fri 2021-01-22 09:41:54, Alexander Potapenko wrote:
> On Fri, Jan 22, 2021 at 9:32 AM Petr Mladek <pmladek@xxxxxxxx> wrote:
> >
> > On Thu 2021-01-21 14:19:12, Alexander Potapenko wrote:
> > > This patchset adds a tracepoint, error_repor_end, that is to be used by
> > > KFENCE, KASAN, and potentially other bug detection tools, when they
> > > print an error report.
> > > One of the possible use cases is userspace collection of kernel error
> > > reports: interested parties can subscribe to the tracing event via
> > > tracefs, and get notified when an error report occurs.
> > >
> > > v3:
> > >  - dropped the sysfs interface for log collection
> > >  - dropped error_report_start tracepoint
> >
> > Just for record. This approach looks reasonable to me.
> > Thanks for removing the sysfs interface. It would have been
> > a potential can of worms.
> 
> Thanks for the input!
> At least it was premature to touch prink just for the sake of
> collecting some particular crashes.
> Perhaps we can revisit this topic when stronger arguments arise :)

Sure :-)

Best Regards,
Petr



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