From 3f1658e7441b2feaffea752b831e0c714e2ac95e Mon Sep 17 00:00:00 2001
From: Timo Kreuzer <timo.kreuzer@reactos.org>
Date: Thu, 14 Jan 2010 08:40:16 +0000
Subject: [PATCH] [NTOS] Add KeGetContextSwitches macro for amd64

svn path=/branches/ros-amd64-bringup/; revision=45073
---
 reactos/ntoskrnl/include/internal/amd64/ke.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/reactos/ntoskrnl/include/internal/amd64/ke.h b/reactos/ntoskrnl/include/internal/amd64/ke.h
index fc5417189ba..3ca4fef73a9 100644
--- a/reactos/ntoskrnl/include/internal/amd64/ke.h
+++ b/reactos/ntoskrnl/include/internal/amd64/ke.h
@@ -109,6 +109,13 @@ extern ULONG KeI386CpuStep;
     (PKTRAP_FRAME)((ULONG_PTR)((Thread)->InitialStack) - \
                    sizeof(KTRAP_FRAME))
 
+//
+// Macro to get context switches from the PRCB
+// All architectures but x86 have it in the PRCB's KeContextSwitches
+//
+#define KeGetContextSwitches(Prcb)  \
+    (Prcb->KeContextSwitches)
+
 #define KeGetExceptionFrame(Thread) \
     (PKEXCEPTION_FRAME)((ULONG_PTR)KeGetTrapFrame(Thread) - \
                         sizeof(KEXCEPTION_FRAME))