Justin C. Miller cf582c4ce4 [boot] Add PD tables for all kernel PML4 entries ...

Process PML4s all point their high (kernelspace) entries at the same set
of PDs, but that copying only happens on process creation. New PDs added
to the kernel PML4 won't get shared among other PML4s. This change
instantiates empty PDs for all PML4 entries in the higher half to make
sure this can't happen.

2020-08-02 18:06:41 -07:00

7.3 KiB

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