> It's not about generating the exception. It's about not operating on privileged data. Yup. I think the subtle distinction I'm trying to get across is this: in the mind of a computer architect, up until Meltdown, there…
I think that a lot of discussion here is missing a key design aspect of modern speculative cores: the "late check" of permissions was likely not a sloppy shortcut or oversight, but rather due to a common design…
> It's not about generating the exception. It's about not operating on privileged data. Yup. I think the subtle distinction I'm trying to get across is this: in the mind of a computer architect, up until Meltdown, there…
I think that a lot of discussion here is missing a key design aspect of modern speculative cores: the "late check" of permissions was likely not a sloppy shortcut or oversight, but rather due to a common design…