From cfc3ebd50e717ca8394761a8129fa207f1ee4ee7 Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Tue, 10 Mar 2009 19:15:57 +0100
Subject: [PATCH] --- yaml --- r: 158195 b: refs/heads/master c:
 9063759540daac40cc1f402f83a3be6b489f8583 h: refs/heads/master i:   158193:
 5ee89d32742477f57e865eae150a13085370bd64   158191:
 470f0a474248c64bde97ce14bb05ed2b4ab80eb5 v: v3

---
 [refs]                                 |  2 +-
 trunk/arch/x86/oprofile/op_model_amd.c | 80 +++++++++++++++-----------
 2 files changed, 47 insertions(+), 35 deletions(-)

diff --git a/[refs] b/[refs]
index 81390a47f76e..13195dd25c9d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fecfe6320ba71eed6d16849683298f0894aa60de
+refs/heads/master: 9063759540daac40cc1f402f83a3be6b489f8583
diff --git a/trunk/arch/x86/oprofile/op_model_amd.c b/trunk/arch/x86/oprofile/op_model_amd.c
index 8fdf06e4edf9..b54c0880b7dc 100644
--- a/trunk/arch/x86/oprofile/op_model_amd.c
+++ b/trunk/arch/x86/oprofile/op_model_amd.c
@@ -220,6 +220,50 @@ op_amd_handle_ibs(struct pt_regs * const regs,
 	return 1;
 }
 
+static inline void op_amd_start_ibs(void)
+{
+	unsigned int low, high;
+	if (has_ibs && ibs_config.fetch_enabled) {
+		low = (ibs_config.max_cnt_fetch >> 4) & 0xFFFF;
+		high = ((ibs_config.rand_en & 0x1) << 25) /* bit 57 */
+			+ IBS_FETCH_HIGH_ENABLE;
+		wrmsr(MSR_AMD64_IBSFETCHCTL, low, high);
+	}
+
+	if (has_ibs && ibs_config.op_enabled) {
+		low = ((ibs_config.max_cnt_op >> 4) & 0xFFFF)
+			+ ((ibs_config.dispatched_ops & 0x1) << 19) /* bit 19 */
+			+ IBS_OP_LOW_ENABLE;
+		high = 0;
+		wrmsr(MSR_AMD64_IBSOPCTL, low, high);
+	}
+}
+
+static void op_amd_stop_ibs(void)
+{
+	unsigned int low, high;
+	if (has_ibs && ibs_config.fetch_enabled) {
+		/* clear max count and enable */
+		low = 0;
+		high = 0;
+		wrmsr(MSR_AMD64_IBSFETCHCTL, low, high);
+	}
+
+	if (has_ibs && ibs_config.op_enabled) {
+		/* clear max count and enable */
+		low = 0;
+		high = 0;
+		wrmsr(MSR_AMD64_IBSOPCTL, low, high);
+	}
+}
+
+#else
+
+static inline int op_amd_handle_ibs(struct pt_regs * const regs,
+				    struct op_msrs const * const msrs) { }
+static inline void op_amd_start_ibs(void) { }
+static inline void op_amd_stop_ibs(void) { }
+
 #endif
 
 static int op_amd_check_ctrs(struct pt_regs * const regs,
@@ -238,9 +282,7 @@ static int op_amd_check_ctrs(struct pt_regs * const regs,
 		}
 	}
 
-#ifdef CONFIG_OPROFILE_IBS
 	op_amd_handle_ibs(regs, msrs);
-#endif
 
 	/* See op_model_ppro.c */
 	return 1;
@@ -258,25 +300,9 @@ static void op_amd_start(struct op_msrs const * const msrs)
 		}
 	}
 
-#ifdef CONFIG_OPROFILE_IBS
-	if (has_ibs && ibs_config.fetch_enabled) {
-		low = (ibs_config.max_cnt_fetch >> 4) & 0xFFFF;
-		high = ((ibs_config.rand_en & 0x1) << 25) /* bit 57 */
-			+ IBS_FETCH_HIGH_ENABLE;
-		wrmsr(MSR_AMD64_IBSFETCHCTL, low, high);
-	}
-
-	if (has_ibs && ibs_config.op_enabled) {
-		low = ((ibs_config.max_cnt_op >> 4) & 0xFFFF)
-			+ ((ibs_config.dispatched_ops & 0x1) << 19) /* bit 19 */
-			+ IBS_OP_LOW_ENABLE;
-		high = 0;
-		wrmsr(MSR_AMD64_IBSOPCTL, low, high);
-	}
-#endif
+	op_amd_start_ibs();
 }
 
-
 static void op_amd_stop(struct op_msrs const * const msrs)
 {
 	unsigned int low, high;
@@ -294,21 +320,7 @@ static void op_amd_stop(struct op_msrs const * const msrs)
 		CTRL_WRITE(low, high, msrs, i);
 	}
 
-#ifdef CONFIG_OPROFILE_IBS
-	if (has_ibs && ibs_config.fetch_enabled) {
-		/* clear max count and enable */
-		low = 0;
-		high = 0;
-		wrmsr(MSR_AMD64_IBSFETCHCTL, low, high);
-	}
-
-	if (has_ibs && ibs_config.op_enabled) {
-		/* clear max count and enable */
-		low = 0;
-		high = 0;
-		wrmsr(MSR_AMD64_IBSOPCTL, low, high);
-	}
-#endif
+	op_amd_stop_ibs();
 }
 
 static void op_amd_shutdown(struct op_msrs const * const msrs)