Use atomic operations for SFT map and remove unsafe code#931

Merged

qinsoon merged 7 commits intommtk:masterfrom

qinsoon:sft-atomic-double-word

Sep 5, 2023

Commits on Sep 1, 2023

Minor refactoring. Fix the issue for malloc mark sweep
qinsoon
committed

Commits on Sep 3, 2023

Change an assertion in VMSpace.initialize_sft: we should have 1 or 0 VM
qinsoon
committed

Commits on Sep 4, 2023

Merge branch 'master' into sft-atomic-double-word
qinsoon
committed