Use recursive_mutex instead of mutex to fix #2902

src/core/hle/lock.cpp

@@ -7,5 +7,5 @@
 #include <core/hle/lock.h>
 
 namespace HLE {
-std::mutex g_hle_lock;
+std::recursive_mutex g_hle_lock;
 }

src/core/hle/lock.h

@@ -14,5 +14,5 @@ namespace HLE {
  * to the emulated memory is not protected by this mutex, and should be avoided in any threads other
  * than the CPU thread.
  */
-extern std::mutex g_hle_lock;
+extern std::recursive_mutex g_hle_lock;
 } // namespace HLE

src/core/hle/svc.cpp

@@ -1334,7 +1334,7 @@ void CallSVC(u32 immediate) {
     MICROPROFILE_SCOPE(Kernel_SVC);
 
     // Lock the global kernel mutex when we enter the kernel HLE.
-    std::lock_guard<std::mutex> lock(HLE::g_hle_lock);
+    std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
 
     const FunctionDef* info = GetSVCInfo(immediate);
     if (info) {

src/core/memory.cpp

@@ -183,7 +183,7 @@ T Read(const VAddr vaddr) {
     }
 
     // The memory access might do an MMIO or cached access, so we have to lock the HLE kernel state
-    std::lock_guard<std::mutex> lock(HLE::g_hle_lock);
+    std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
 
     PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
     switch (type) {
@@ -224,7 +224,7 @@ void Write(const VAddr vaddr, const T data) {
     }
 
     // The memory access might do an MMIO or cached access, so we have to lock the HLE kernel state
-    std::lock_guard<std::mutex> lock(HLE::g_hle_lock);
+    std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
 
     PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
     switch (type) {