Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 952e58054d0fd2b45264d09bf2ef391d1ddb1f3b
https://github.com/WebKit/WebKit/commit/952e58054d0fd2b45264d09bf2ef391d1ddb1f3b
Author: Justin Michaud <jmich...@igalia.com>
Date: 2025-09-01 (Mon, 01 Sep 2025)
Changed paths:
M Source/JavaScriptCore/assembler/ARM64Assembler.h
M Source/JavaScriptCore/assembler/ARMv7Assembler.h
M Source/JavaScriptCore/assembler/AbstractMacroAssembler.h
M Source/JavaScriptCore/assembler/AssemblerCommon.h
M Source/JavaScriptCore/assembler/LinkBuffer.cpp
M Source/JavaScriptCore/assembler/MacroAssemblerARM64.h
M Source/JavaScriptCore/assembler/MacroAssemblerARMv7.h
M Source/JavaScriptCore/assembler/MacroAssemblerRISCV64.h
M Source/JavaScriptCore/assembler/MacroAssemblerX86_64.h
M Source/JavaScriptCore/assembler/RISCV64Assembler.h
M Source/JavaScriptCore/assembler/X86Assembler.h
M Source/JavaScriptCore/bytecode/CallLinkInfo.cpp
M Source/JavaScriptCore/dfg/DFGOSRExit.cpp
M Source/JavaScriptCore/ftl/FTLLazySlowPath.cpp
M Source/JavaScriptCore/ftl/FTLOSRExitCompiler.cpp
M Source/JavaScriptCore/jit/ExecutableAllocator.h
M Source/JavaScriptCore/wasm/WasmBBQPlan.cpp
M Source/JavaScriptCore/wasm/WasmCalleeGroup.cpp
M Source/JavaScriptCore/wasm/WasmIPIntPlan.cpp
M Source/JavaScriptCore/wasm/WasmOMGPlan.cpp
M Source/JavaScriptCore/wasm/WasmOSREntryPlan.cpp
M Source/WTF/wtf/OptionSet.h
Log Message:
-----------
Refactor jitMemcpy into atomic and non-atomic versions
https://bugs.webkit.org/show_bug.cgi?id=293649
Reviewed by Keith Miller.
On ARMv7, there are some concurrent repatching issues because of
unaligned writes to the jit region. Instead of repatching atomically whenever it
is easy, we should be explicit about when we expect writes to the jit
region to tear or not.
Canonical link: https://commits.webkit.org/299398@main
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