After JDK-8373794, we don't need to be in write mode to modify nmethod fields.

Andrew Haley · Andrew Haley · commit 37730e6aac89 · 2026-01-23T16:07:56.000Z
diff --git a/src/hotspot/share/code/nmethod.cpp b/src/hotspot/share/code/nmethod.cpp
@@ -2213,7 +2213,6 @@ void nmethod::verify_clean_inline_caches() {
 }
 
 void nmethod::mark_as_maybe_on_stack() {
-  MACOS_AARCH64_ONLY(os::thread_wx_enable_write());
   AtomicAccess::store(&_gc_epoch, CodeCache::gc_epoch());
 }
 

Original file line number	Diff line number	Diff line change
`@@ -2213,7 +2213,6 @@ void nmethod::verify_clean_inline_caches() {`
`2213`	`2213`	`}`
`2214`	`2214`
`2215`	`2215`	`void nmethod::mark_as_maybe_on_stack() {`
`2216`		`- MACOS_AARCH64_ONLY(os::thread_wx_enable_write());`
`2217`	`2216`	`AtomicAccess::store(&_gc_epoch, CodeCache::gc_epoch());`
`2218`	`2217`	`}`
`2219`	`2218`