sparc64: Update generic comments in perf event code to match reality.

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Describe how we support two types of PMU setups, one with a single control
register and two counters stored in a single register, and another with
one control register per counter and each counter living in it's own
register.

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

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David S. Miller 2012-08-18 23:17:38 -07:00

parent 035ea28dde

commit bab96bda44

1 changed files with 27 additions and 13 deletions

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arch/sparc/kernel/perf_event.c

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