linux-kernel - [PATCH 04/26] x86/oprofile: Fix usage of NUM_CONTROLS/NUM

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Date:	Tue, 28 Jul 2009 19:07:04 +0200
From:	Robert Richter <robert.richter@....com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	LKML <linux-kernel@...r.kernel.org>,
	oprofile-list <oprofile-list@...ts.sourceforge.net>,
	Robert Richter <robert.richter@....com>
Subject: [PATCH 04/26] x86/oprofile: Fix usage of NUM_CONTROLS/NUM_COUNTERS macros

Use the corresponding macros when iterating over counter and control
registers. Since NUM_CONTROLS and NUM_COUNTERS are equal for AMD cpus
the fix is more a cosmetical change.

Signed-off-by: Robert Richter <robert.richter@....com>
---
 arch/x86/oprofile/op_model_amd.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
index fdbed3a..dcfd450 100644
--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -99,7 +99,7 @@ static void op_amd_fill_in_addresses(struct op_msrs * const msrs)
 
 #ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX
 	for (i = 0; i < NUM_VIRT_COUNTERS; i++) {
-		int hw_counter = i % NUM_CONTROLS;
+		int hw_counter = i % NUM_COUNTERS;
 		if (reserve_perfctr_nmi(MSR_K7_PERFCTR0 + i))
 			msrs->multiplex[i].addr = MSR_K7_PERFCTR0 + hw_counter;
 		else
@@ -366,7 +366,7 @@ static void op_amd_shutdown(struct op_msrs const * const msrs)
 		if (msrs->counters[i].addr)
 			release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
 	}
-	for (i = 0; i < NUM_COUNTERS; ++i) {
+	for (i = 0; i < NUM_CONTROLS; ++i) {
 		if (msrs->controls[i].addr)
 			release_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
 	}
-- 
1.6.3.3


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