[PATCH V4] POWER: perf_event: Skip updating kernel counters if register value shrinks

David Laight David.Laight at ACULAB.COM
Wed Apr 27 22:34:58 EST 2011

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> But it isn't, and it doesn't have trouble with 2^32 - 1.  

what about:
prev = 0x00000001
val  = 0xffffffff

	David

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