sparc64: Rework sparc_pmu_enable() so that the side effects are clearer.

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When cpuc->n_events is zero, we actually don't do anything and we just
write the cpuc->pcr[0] value as-is without any modifications.

The "pcr = 0;" assignment there was just useless and confusing.

Signed-off-by: David S. Miller <davem@davemloft.net>

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David S. Miller 2012-08-17 03:09:39 -07:00

parent 3f1a209722

commit 5ab9684135

1 changed files with 2 additions and 6 deletions

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8

arch/sparc/kernel/perf_event.c

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