Holistic Engineering with Robert Mustacchi

1791.539 - 1817.453 Robert Mustacchi

And effectively, what that's meant to say is that if you're a user process, even though those kernel pages and those kernel VAs exist, if you try to read them, you'll get a page fault. And then the kernel will come and drop a signal on you to basically say, you've been reading something that you can't. Unfortunately, through the power of speculation, what basically happened is that