Enable QueueUserAPC2 suspension even without CET (#99076)

jkotas · web-flow · commit dac4446cd75e · 2024-02-28T15:06:47.000-08:00
diff --git a/src/coreclr/vm/threads.cpp b/src/coreclr/vm/threads.cpp
@@ -8276,12 +8276,7 @@ void Thread::InitializeSpecialUserModeApc()
         return;
     }
 
-    // In the future, once code paths using the special user-mode APC get some bake time, it should be used regardless of
-    // whether CET shadow stacks are enabled
-    if (AreCetShadowStacksEnabled())
-    {
-        s_pfnQueueUserAPC2Proc = pfnQueueUserAPC2Proc;
-    }
+    s_pfnQueueUserAPC2Proc = pfnQueueUserAPC2Proc;
 }
 
 #endif // FEATURE_SPECIAL_USER_MODE_APC

Original file line number	Diff line number	Diff line change
`@@ -8276,12 +8276,7 @@ void Thread::InitializeSpecialUserModeApc()`
`8276`	`8276`	`return;`
`8277`	`8277`	`}`
`8278`	`8278`
`8279`		`- // In the future, once code paths using the special user-mode APC get some bake time, it should be used regardless of`
`8280`		`- // whether CET shadow stacks are enabled`
`8281`		`- if (AreCetShadowStacksEnabled())`
`8282`		`- {`
`8283`		`- s_pfnQueueUserAPC2Proc = pfnQueueUserAPC2Proc;`
`8284`		`- }`
	`8279`	`+ s_pfnQueueUserAPC2Proc = pfnQueueUserAPC2Proc;`
`8285`	`8280`	`}`
`8286`	`8281`
`8287`	`8282`	`#endif // FEATURE_SPECIAL_USER_MODE_APC`