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AgeCommit message (Collapse)AuthorFilesLines
2019-07-24rationalize some vm function namesRobert Morris1-1/+1
2019-07-22Clear U bit for second stack page so that it functions as a guard pageFrans Kaashoek1-0/+1
2019-07-02Checkpoint switching to per-process locks, in attempt clarify xv6'sFrans Kaashoek1-1/+4
locking plan, which is a difficult to understand because ptable lock protects many invariants. This implementation has a bug: once in a while xv6 unlocks a proc lock that is locked by another core.
2019-06-11separate source into kernel/ user/ mkfs/Robert Morris1-0/+149