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 :) > I do not feel eligible to add any tag. I am neither familiar > with the tracepoint nor the KFENCE or KASAN code. > > Best Regards, > Petr -- Alexander Potapenko Software Engineer Google Germany GmbH Erika-Mann-Straße, 33 80636 München Geschäftsführer: Paul Manicle, Halimah DeLaine Prado Registergericht und -nummer: Hamburg, HRB 86891 Sitz der Gesellschaft: Hamburg
