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Subject[PATCH 07/12] perf/x86-ibs: Rename some variables
Date
Simple patch that just renames some variables for better
understanding.

Signed-off-by: Robert Richter <robert.richter@amd.com>
---
arch/x86/kernel/cpu/perf_event_amd_ibs.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event_amd_ibs.c b/arch/x86/kernel/cpu/perf_event_amd_ibs.c
index 05a359f..6591b77 100644
--- a/arch/x86/kernel/cpu/perf_event_amd_ibs.c
+++ b/arch/x86/kernel/cpu/perf_event_amd_ibs.c
@@ -62,7 +62,7 @@ struct perf_ibs_data {
};

static int
-perf_event_set_period(struct hw_perf_event *hwc, u64 min, u64 max, u64 *count)
+perf_event_set_period(struct hw_perf_event *hwc, u64 min, u64 max, u64 *hw_period)
{
s64 left = local64_read(&hwc->period_left);
s64 period = hwc->sample_period;
@@ -91,7 +91,7 @@ perf_event_set_period(struct hw_perf_event *hwc, u64 min, u64 max, u64 *count)
if (left > max)
left = max;

- *count = (u64)left;
+ *hw_period = (u64)left;

return overflow;
}
@@ -264,13 +264,13 @@ static int perf_ibs_init(struct perf_event *event)
static int perf_ibs_set_period(struct perf_ibs *perf_ibs,
struct hw_perf_event *hwc, u64 *period)
{
- int ret;
+ int overflow;

/* ignore lower 4 bits in min count: */
- ret = perf_event_set_period(hwc, 1<<4, perf_ibs->max_period, period);
+ overflow = perf_event_set_period(hwc, 1<<4, perf_ibs->max_period, period);
local64_set(&hwc->prev_count, 0);

- return ret;
+ return overflow;
}

static u64 get_ibs_fetch_count(u64 config)
--
1.7.8.4



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