From ab4800473091e0c3bd43d9e96ed0fa406d231186 Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Wed, 24 Mar 2010 13:35:28 +0100
Subject: [PATCH] Add IA64 support for CPU clock

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 arch/arch-ia64.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arch-ia64.h b/arch/arch-ia64.h
index a8bb23a3..056f6365 100644
--- a/arch/arch-ia64.h
+++ b/arch/arch-ia64.h
@@ -33,6 +33,16 @@ static inline unsigned long arch_ffz(unsigned long bitmask)
 {
 	return ia64_popcnt(bitmask & (~bitmask - 1));
 }
+
+static inline unsigned long get_cpu_clock(void)
+{
+	unsigned long ret;
+
+	__asm__ __volatile__("mov %0=ar.itc" : "=r" (ret) : : "memory");
+	return ret;
+}
+
 #define ARCH_HAVE_FFZ
+#define ARCH_HAVE_CPU_CLOCK
 
 #endif
-- 
2.25.1