VM hack.

BruceForstall · Feb 2, 2023 · c6f1a90 · c6f1a90
1 parent 73f43b6
commit c6f1a90
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/coreclr/vm/threadsuspend.cpp b/src/coreclr/vm/threadsuspend.cpp
@@ -1977,7 +1977,7 @@ CONTEXT* AllocateOSContextHelper(BYTE** contextBuffer)
 
     // Retrieve contextSize by passing NULL for Buffer
     DWORD contextSize = 0;
-    ULONG64 xStateCompactionMask = XSTATE_MASK_LEGACY | XSTATE_MASK_AVX | XSTATE_MASK_AVX512;
+    ULONG64 xStateCompactionMask = XSTATE_MASK_LEGACY | XSTATE_MASK_AVX | XSTATE_MASK_MPX | XSTATE_MASK_AVX512;
     // The initialize call should fail but return contextSize
     BOOL success = g_pfnInitializeContext2 ?
         g_pfnInitializeContext2(NULL, context, NULL, &contextSize, xStateCompactionMask) :