From 814940c42b29a6c054ecc75343f9eafc466ae608 Mon Sep 17 00:00:00 2001
From: Timo Kreuzer <timo.kreuzer@reactos.org>
Date: Wed, 17 Mar 2010 21:26:04 +0000
Subject: [PATCH] [NTOS] Add DPRINTs to tell if SYSENTER is detected. Requested
 by Christoph for testing the test machine.

svn path=/trunk/; revision=46253
---
 reactos/ntoskrnl/ke/i386/cpu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/reactos/ntoskrnl/ke/i386/cpu.c b/reactos/ntoskrnl/ke/i386/cpu.c
index 9434259f104..e05a8960470 100644
--- a/reactos/ntoskrnl/ke/i386/cpu.c
+++ b/reactos/ntoskrnl/ke/i386/cpu.c
@@ -1010,18 +1010,21 @@ KiRestoreFastSyscallReturnState(VOID)
 
             /* It's enabled, so use the proper exit stub */
             KiFastCallExitHandler = KiSystemCallSysExitReturn;
+            DPRINT1("Support for SYSENTER detected.\n");
         }
         else
         {
             /* Disable fast system call */
             KeFeatureBits &= ~KF_FAST_SYSCALL;
             KiFastCallExitHandler = KiSystemCallTrapReturn;
+            DPRINT1("Support for SYSENTER disabled.\n");
         }
     }
     else
     {
         /* Use the IRET handler */
         KiFastCallExitHandler = KiSystemCallTrapReturn;
+        DPRINT1("No support for SYSENTER detected.\n");
     }
 }