Remove unneeded mutex

steffenlarsen · steffenlarsen · commit 5182889323c1 · 2022-02-25T18:02:39.000+03:00
Signed-off-by: Steffen Larsen &lt;steffen.larsen@intel.com&gt;
diff --git a/sycl/source/detail/handler_impl.hpp b/sycl/source/detail/handler_impl.hpp
@@ -66,9 +66,6 @@ class handler_impl {
   /// submission is a fallback from a previous submission.
   std::shared_ptr<queue_impl> MSubmissionSecondaryQueue;
 
-  // Protects MAuxiliaryResources.
-  std::mutex MAuxiliaryResourcesMutex;
-
   // Stores auxiliary resources used by internal operations.
   std::vector<std::shared_ptr<const void>> MAuxiliaryResources;
 };
diff --git a/sycl/source/handler.cpp b/sycl/source/handler.cpp
@@ -405,9 +405,7 @@ event handler::finalize() {
 }
 
 void handler::addReduction(const std::shared_ptr<const void> &ReduObj) {
-  std::shared_ptr<detail::handler_impl> Impl = getHandlerImpl();
-  std::lock_guard<std::mutex> Lock(Impl->MAuxiliaryResourcesMutex);
-  Impl->MAuxiliaryResources.push_back(ReduObj);
+  getHandlerImpl()->MAuxiliaryResources.push_back(ReduObj);
 }
 
 void handler::associateWithHandler(detail::AccessorBaseHost *AccBase,

Original file line number	Diff line number	Diff line change
`@@ -405,9 +405,7 @@ event handler::finalize() {`
`405`	`405`	`}`
`406`	`406`
`407`	`407`	`void handler::addReduction(const std::shared_ptr<const void> &ReduObj) {`
`408`		`- std::shared_ptr<detail::handler_impl> Impl = getHandlerImpl();`
`409`		`- std::lock_guard<std::mutex> Lock(Impl->MAuxiliaryResourcesMutex);`
`410`		`- Impl->MAuxiliaryResources.push_back(ReduObj);`
	`408`	`+ getHandlerImpl()->MAuxiliaryResources.push_back(ReduObj);`
`411`	`409`	`}`
`412`	`410`
`413`	`411`	`void handler::associateWithHandler(detail::AccessorBaseHost *AccBase,`