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Subject[PATCH 20/29] x86/perfcounters: consistent use of type int for counter index
Date
The type of counter index is sometimes implemented as unsigned
int. This patch changes this to have a consistent usage of int.

Signed-off-by: Robert Richter <robert.richter@amd.com>
---
arch/x86/kernel/cpu/perf_counter.c | 8 ++++----
include/linux/perf_counter.h | 2 +-
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index f7fd4a3..d8beebe 100644
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@ -459,7 +459,7 @@ static void hw_perf_disable(int idx, u64 config)

static inline void
__pmc_fixed_disable(struct perf_counter *counter,
- struct hw_perf_counter *hwc, unsigned int __idx)
+ struct hw_perf_counter *hwc, int __idx)
{
int idx = __idx - X86_PMC_IDX_FIXED;
u64 ctrl_val, mask;
@@ -474,7 +474,7 @@ __pmc_fixed_disable(struct perf_counter *counter,

static inline void
__x86_pmu_disable(struct perf_counter *counter,
- struct hw_perf_counter *hwc, unsigned int idx)
+ struct hw_perf_counter *hwc, int idx)
{
if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL))
__pmc_fixed_disable(counter, hwc, idx);
@@ -523,7 +523,7 @@ x86_perf_counter_set_period(struct perf_counter *counter,

static inline void
__pmc_fixed_enable(struct perf_counter *counter,
- struct hw_perf_counter *hwc, unsigned int __idx)
+ struct hw_perf_counter *hwc, int __idx)
{
int idx = __idx - X86_PMC_IDX_FIXED;
u64 ctrl_val, bits, mask;
@@ -691,7 +691,7 @@ static void x86_pmu_disable(struct perf_counter *counter)
{
struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
struct hw_perf_counter *hwc = &counter->hw;
- unsigned int idx = hwc->idx;
+ int idx = hwc->idx;

/*
* Must be done before we disable, otherwise the nmi handler
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index c3db52d..41aed42 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -318,7 +318,7 @@ struct hw_perf_counter {
unsigned long config_base;
unsigned long counter_base;
int nmi;
- unsigned int idx;
+ int idx;
};
union { /* software */
atomic64_t count;
--
1.6.1.3



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