Rename ambiguous scan_thread_root{,s} functions (mmtk#63)

Author: k-sareen

mmtk/Cargo.lock

@@ -29,7 +29,7 @@ lazy_static = "1.1"
 # - change branch
 # - change repo name
 # But other changes including adding/removing whitespaces in commented lines may break the CI
-mmtk = { git = "https://github.com/mmtk/mmtk-core.git", rev = "2ec37bde7955304f3e4bc5f7bed3fbfba3833cc0" }
+mmtk = { git = "https://github.com/mmtk/mmtk-core.git", rev = "f1a0bb7fbec97dd84e35a40e8be01cf5018f2f9e" }
 # Uncomment the following to build locally
 # mmtk = { path = "../repos/mmtk-core" }
 log = {version = "0.4", features = ["max_level_trace", "release_max_level_off"] }

mmtk/Cargo.toml

@@ -24,11 +24,14 @@ use std::sync::MutexGuard;
 pub struct VMScanning {}
 
 impl Scanning<JuliaVM> for VMScanning {
-    fn scan_thread_roots(_tls: VMWorkerThread, _factory: impl RootsWorkFactory<JuliaVMEdge>) {
+    fn scan_roots_in_all_mutator_threads(
+        _tls: VMWorkerThread,
+        _factory: impl RootsWorkFactory<JuliaVMEdge>,
+    ) {
         // Thread roots are collected by Julia before stopping the world
     }
 
-    fn scan_thread_root(
+    fn scan_roots_in_mutator_thread(
         _tls: VMWorkerThread,
         _mutator: &'static mut Mutator<JuliaVM>,
         _factory: impl RootsWorkFactory<JuliaVMEdge>,