From 5547b747179b163bcb115f58f256c27b8552497c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Herv=C3=A9=20Poussineau?= <hpoussin@reactos.org>
Date: Sun, 22 Sep 2024 21:43:10 +0200
Subject: [PATCH] [NTOS:KD64] Fix freezes on first chance exception when KDBG
 is enabled and KdIgnoreUmExceptions is TRUE

This fixes the following use case:
- Execute 'kdbgctrl.exe -du'
- Execute 'kdbgctrl.exe -cu'
- See that last command never finishes
---
 ntoskrnl/kd64/kdtrap.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/ntoskrnl/kd64/kdtrap.c b/ntoskrnl/kd64/kdtrap.c
index 4cfac2b04b0..8af25e3429f 100644
--- a/ntoskrnl/kd64/kdtrap.c
+++ b/ntoskrnl/kd64/kdtrap.c
@@ -318,7 +318,6 @@ KdIsThisAKdTrap(IN PEXCEPTION_RECORD ExceptionRecord,
                 IN PCONTEXT Context,
                 IN KPROCESSOR_MODE PreviousMode)
 {
-#ifdef _WINKD_
     /*
      * Determine if this is a valid debug service call and make sure that
      * it isn't a software breakpoint
@@ -335,8 +334,4 @@ KdIsThisAKdTrap(IN PEXCEPTION_RECORD ExceptionRecord,
         /* We don't have to handle it */
         return FALSE;
     }
-#else
-    /* KDBG has its own mechanism for ignoring user mode exceptions */
-    return FALSE;
-#endif
 }