[reactos] 29/30: [NTOS:KD64] Fix freezes on first chance exception when KDBG is enabled and KdIgnoreUmExceptions is TRUE

[Hervé Poussineau]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=5547b747179b163bcb115…

commit 5547b747179b163bcb115f58f256c27b8552497c
Author:     Hervé Poussineau <hpoussin(a)reactos.org>
AuthorDate: Sun Sep 22 21:43:10 2024 +0200
Commit:     Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
CommitDate: Tue Jan 28 22:00:55 2025 +0100

    [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
 }