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sparc64: Perf counter 'nop' event is not constant. 

On Niagara-2, for example, it's going to be different.  So make
it something specified in sparc_pmu.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2009-09-10 07:13:26 -07:00
parent 496c07e3b4
commit 660d13765f
1 changed files with 6 additions and 4 deletions
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10
arch/sparc/kernel/perf_counter.c
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@ -52,9 +52,6 @@
#define PIC_UPPER_INDEX 0
#define PIC_LOWER_INDEX 1
#define PIC_UPPER_NOP 0x1c
#define PIC_LOWER_NOP 0x14
struct cpu_hw_counters {
struct perf_counter *counters[MAX_HWCOUNTERS];
unsigned long used_mask[BITS_TO_LONGS(MAX_HWCOUNTERS)];
@ -79,6 +76,8 @@ struct sparc_pmu {
int event_mask;
int hv_bit;
int irq_bit;
int upper_nop;
int lower_nop;
};
static const struct perf_event_map ultra3i_perfmon_event_map[] = {
@ -99,6 +98,8 @@ static const struct sparc_pmu ultra3i_pmu = {
.upper_shift = 11,
.lower_shift = 4,
.event_mask = 0x3f,
.upper_nop = 0x1c,
.lower_nop = 0x14,
};
static const struct sparc_pmu *sparc_pmu __read_mostly;
@ -120,7 +121,8 @@ static u64 mask_for_index(int idx)
static u64 nop_for_index(int idx)
{
return event_encoding(idx == PIC_UPPER_INDEX ?
PIC_UPPER_NOP : PIC_LOWER_NOP, idx);
sparc_pmu->upper_nop :
sparc_pmu->lower_nop, idx);
}
static inline void sparc_pmu_enable_counter(struct hw_perf_counter *hwc,