Add error logging for WHvCancelRunVirtualProcessor failure

Copilot · jsturtevant · Copilot · commit c8e471e9c924 · 2025-12-16T17:19:59.000Z
Co-authored-by: jsturtevant &lt;648372+jsturtevant@users.noreply.github.com&gt;
diff --git a/src/hyperlight_host/src/hypervisor/mod.rs b/src/hyperlight_host/src/hypervisor/mod.rs
@@ -543,7 +543,11 @@ impl InterruptHandle for WindowsInterruptHandle {
             return;
         }
 
-        unsafe { WHvCancelRunVirtualProcessor(guard.handle, 0, 0).ok() };
+        unsafe {
+            if let Err(e) = WHvCancelRunVirtualProcessor(guard.handle, 0, 0) {
+                log::error!("Failed to cancel running virtual processor: {}", e);
+            }
+        };
     }
     #[cfg(gdb)]
     fn kill_from_debugger(&self) -> bool {

Original file line number	Diff line number	Diff line change
`@@ -543,7 +543,11 @@ impl InterruptHandle for WindowsInterruptHandle {`
`543`	`543`	`return;`
`544`	`544`	`}`
`545`	`545`
`546`		`- unsafe { WHvCancelRunVirtualProcessor(guard.handle, 0, 0).ok() };`
	`546`	`+ unsafe {`
	`547`	`+ if let Err(e) = WHvCancelRunVirtualProcessor(guard.handle, 0, 0) {`
	`548`	`+ log::error!("Failed to cancel running virtual processor: {}", e);`
	`549`	`+ }`
	`550`	`+ };`
`547`	`551`	`}`
`548`	`552`	`#[cfg(gdb)]`
`549`	`553`	`fn kill_from_debugger(&self) -> bool {`