tree f4beace901f1aff12d5f5532b3e1aa615bf6503d
parent 8183e2b38480672a1f61d416812ac078ce94b67b
author David S. Miller <davem@davemloft.net> 1262675763 -0800
committer David S. Miller <davem@davemloft.net> 1262675763 -0800

sparc64: Fix Niagara2 perf event handling.

For chips like Niagara2 that have true overflow indications
in the %pcr (which we don't actually need and don't use)
the interrupt signal persists until the overflow bits are
cleared by an explicit %pcr write.

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