I thought that the kernel had improved enough in recent years for sil3... perhaps not though. I wasn't as aware of the issue of safety-critical systems as I sh

I thought that the kernel had improved enough in recent years for sil3... perhaps not though. I wasn't as aware of the issue of safety-critical systems as I should have been until I was inside a couple industrial companies where PLC's were everywhere (for this very reason). The thing that interests me now about this is how hard I see netconnected PLC's pushing into industrial applications, mostly because everyone in industry is on the edge of their seat for IOT to hit so they can use and abuse the data (instead of waiting for service call to pull data like they used to, why not just use an LTE-modem PLC, for example?) Do you see where I am going with this? Safety-critical industrial applications <sil4 are increasingly more vulnerable, and it's not from lack of realtime response to stimuli. In the end, using linux in realtime just seems to exacerbate this particular angle on the issue that I see. It does make me wonder about the implications of microkernel design vs monolithic in such applications though. http://www.nfpa.org/codes-and-standards/all-codes-and-standards/list-of-codes-and-standards/detail?code=79 http://www.nfpa.org/codes-and-standards/all-codes-and-standa... https://en.wikipedia.org/wiki/IEC_61508 https://en.wikipedia.org/wiki/IEC_61508 https://webstore.ansi.org/RecordDetail.aspx?sku=ANSI%2fRIA+R15.06-2012 https://webstore.ansi.org/RecordDetail.aspx?sku=ANSI%2fRIA+R... https://www.iso.org/standard/69883.html https://www.iso.org/standard/69883.html https://webstore.iec.ch/publication/22797 https://webstore.iec.ch/publication/22797 https://en.wikipedia.org/wiki/Comparison_of_real-time_operating_systems https://en.wikipedia.org/wiki/Comparison_of_real-time_operat...