8239386: handle ContendedPaddingWidth in vm_version_aarch64

Reviewed-by: aph, phh
openjdk · Mar 4, 2021 · e61a3ba · e61a3ba
1 parent f56c918
commit e61a3ba
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/hotspot/cpu/aarch64/vm_version_aarch64.cpp b/src/hotspot/cpu/aarch64/vm_version_aarch64.cpp
@@ -95,6 +95,9 @@ void VM_Version::initialize() {
     SoftwarePrefetchHintDistance &= ~7;
   }
 
+  if (FLAG_IS_DEFAULT(ContendedPaddingWidth) && (dcache_line > ContendedPaddingWidth)) {
+      ContendedPaddingWidth = dcache_line;
+  }
 
   if (os::supports_map_sync()) {
     // if dcpop is available publish data cache line flush size via