From: Robert Richter Date: Mon, 2 Apr 2012 18:19:13 +0000 (+0200) Subject: perf/x86-ibs: Rename some variables X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=98112d2e957e0d348f06d8a40f2f720204a70b55;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git perf/x86-ibs: Rename some variables Simple patch that just renames some variables for better understanding. Signed-off-by: Robert Richter Signed-off-by: Peter Zijlstra Link: http://lkml.kernel.org/r/1333390758-10893-8-git-send-email-robert.richter@amd.com Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/kernel/cpu/perf_event_amd_ibs.c b/arch/x86/kernel/cpu/perf_event_amd_ibs.c index 34dfa853f6df..29a1bffe1dfb 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; } @@ -262,13 +262,13 @@ 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)