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USENIX ATC '21/OSDI '21 Joint Keynote Address-It's Time for Operating Systems to Rediscover Hardware

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Further reading 1

When one component fails, who can keep working? →One process fails. Must unrelated requests wait? Separate failure propagation from throughput limits, then trace what the operating system and service manager can actually isolate.This video helps answer · Where does the kernel's job end?

Caption notes

Modern machines contain multiple processors, address spaces and firmware systems outside Linux’s control. Roscoe asks OS researchers to account for the whole machine.

Original passages · 5
the operating system for this machine includes linux as a component but it also has to include all the rest
USENIX ATC '21/OSDI '21 Joint Keynote Address-It's Time for Operating Systems to Rediscover Hardware · ▶ 17:53–18:07
there's a fundamental assumption inside linux that it's the only operating system on the machine
USENIX ATC '21/OSDI '21 Joint Keynote Address-It's Time for Operating Systems to Rediscover Hardware · ▶ 21:22–21:32
to simply say oh it's distributed system doesn't actually solve any problems at all
USENIX ATC '21/OSDI '21 Joint Keynote Address-It's Time for Operating Systems to Rediscover Hardware · ▶ 55:11–55:26
this model of a ccnew machine is a fantasy
USENIX ATC '21/OSDI '21 Joint Keynote Address-It's Time for Operating Systems to Rediscover Hardware · ▶ 13:41–13:47
linux assumes that it's the only thing running on the machine
USENIX ATC '21/OSDI '21 Joint Keynote Address-It's Time for Operating Systems to Rediscover Hardware · ▶ 19:47–19:56

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