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Check if L2 entry exists for the given VA before loading L3 entry.

Description

Check if L2 entry exists for the given VA before loading L3 entry.

This is a fix for a panic that was easy to reproduce executing
"(/bin/ls &)" in the shell.

Sponsored by: DARPA, AFRL

Details

Provenance
brAuthored on Nov 14 2016, 6:30 PM
Parents
rG751e35548bce: Update WOL support for newer em(4) devices.
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