Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 7b88589e9abd8178d7b9945414c2d76e4bb967cb
https://github.com/WebKit/WebKit/commit/7b88589e9abd8178d7b9945414c2d76e4bb967cb
Author: Vassili Bykov <[email protected]>
Date: 2026-04-10 (Fri, 10 Apr 2026)
Changed paths:
M Source/JavaScriptCore/runtime/VM.cpp
M Source/JavaScriptCore/runtime/VM.h
Log Message:
-----------
JSPI polish: look into getting rid of VM::m_evacuatedStacksLock
https://bugs.webkit.org/show_bug.cgi?id=307562
rdar://170156013
Reviewed by Keith Miller.
VM::m_evacuatedStacksLock protects access to m_evacuatedStackSlices and
m_evacuatedCalleeSaves. Those two collections are written by a mutator thread
holding the
API lock and read while the world is stopped, so they don't actually need
protection. This
patch removes the lock and replaces its uses with assertions of the expected
system state.
Testing: covered by existing tests.
Canonical link: https://commits.webkit.org/310955@main
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