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DateWed, 29 Apr 2009 13:24:23 +0200
FromIngo Molnar <>
SubjectRe: [PATCH 18/29] x86/perfcounters: rename cpuc->active_mask

* Robert Richter <robert.richter@amd.com> wrote:

> This is to have a consistent naming scheme with cpuc->used.
>
> Signed-off-by: Robert Richter <robert.richter@amd.com>
> ---
> arch/x86/kernel/cpu/perf_counter.c | 10 +++++-----
> 1 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 3f3ae47..9ec51a6 100644
> --- a/arch/x86/kernel/cpu/perf_counter.c
> +++ b/arch/x86/kernel/cpu/perf_counter.c
> @@ -29,9 +29,9 @@ static u64 perf_counter_mask __read_mostly;
> struct cpu_hw_counters {
> struct perf_counter *counters[X86_PMC_IDX_MAX];
> unsigned long used[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
> + unsigned long active[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
> unsigned long interrupts;
> u64 throttle_ctrl;
> - unsigned long active_mask[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
> int enabled;

better would be to change ->used to ->used_mask. That makes it sure
nobody does this typo:

if (cpuc->used)
it's a lot harder to typo this:

if (cpuc->used_mask)
Ingo


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