works good, removed SwitchToThread...

main.cpp

@@ -27,22 +27,20 @@ int __cdecl main(int argc, char** argv)
 	};
 
 	vdm::msrexec_ctx msrexec(_write_msr);
-	for(auto idx = 0u; idx < 100; ++idx)
+	msrexec.exec([&](void* krnl_base, get_system_routine_t get_kroutine) -> void
 	{
-		msrexec.exec([&](void* krnl_base, get_system_routine_t get_kroutine) -> void
-		{
-			const auto dbg_print = 
-				reinterpret_cast<dbg_print_t>(
-					get_kroutine(krnl_base, "DbgPrint"));
-
-			const auto ex_alloc_pool = 
-				reinterpret_cast<ex_alloc_pool_t>(
-					get_kroutine(krnl_base, "ExAllocatePool"));
-
-			dbg_print("> allocated pool -> 0x%p\n", ex_alloc_pool(NULL, 0x1000));
-			dbg_print("> cr4 -> 0x%p\n", __readcr4());
-		});
-	}
+		const auto dbg_print =
+			reinterpret_cast<dbg_print_t>(
+				get_kroutine(krnl_base, "DbgPrint"));
+
+		const auto ex_alloc_pool =
+			reinterpret_cast<ex_alloc_pool_t>(
+				get_kroutine(krnl_base, "ExAllocatePool"));
+
+		dbg_print("> allocated pool -> 0x%p\n", ex_alloc_pool(NULL, 0x1000));
+		dbg_print("> cr4 -> 0x%p\n", __readcr4());
+		dbg_print("> hello world!\n");
+	});
 
 	const auto unload_result =
 		vdm::unload_drv(drv_handle, drv_key);

msrexec.cpp

@@ -53,7 +53,7 @@ namespace vdm
 
 		m_smep_off.flags = cr4_value.flags;
 		m_smep_off.smep_enable = false;
-		m_smep_off.smap_enable = false; // newer spus have this on...
+		m_smep_off.smap_enable = false; // newer cpus have this on...
 
 		// WARNING: some virtual machines dont have SMEP...
 		// my VMWare VM doesnt... nor does my Virtual Box VM...
@@ -140,7 +140,8 @@ namespace vdm
 		m_kpcr_rsp_offset = *reinterpret_cast<std::uint32_t*>(ki_system_call + 8);
 		m_kpcr_krsp_offset = *reinterpret_cast<std::uint32_t*>(ki_system_call + 17);
 
-		// handle KVA shadowing... if KVA shadowing is enabled LSTAR will point at KiSystemCall64Shadow...
+		// handle KVA shadowing... if KVA shadowing is 
+		// enabled LSTAR will point at KiSystemCall64Shadow...
 		SYSTEM_KERNEL_VA_SHADOW_INFORMATION kva_info = { 0 };
 
 		// if SystemKernelVaShadowInformation is not a valid class just