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MFC after:	3 days
This commit is contained in:
Joseph Koshy 2005-12-26 09:27:24 +00:00
parent 1bfa910843
commit 06490ba975
1 changed files with 3 additions and 2 deletions
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5
sys/dev/hwpmc/hwpmc_piv.c
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@ -1544,8 +1544,9 @@ p4_stop_pmc(int cpu, int ri)
/*
* Handle an interrupt.
*
* The hardware sets the CCCR_OVF whenever a counter overflow occurs, so the handler
* examines all the 18 CCCR registers, processing the counters that have overflowed.
* The hardware sets the CCCR_OVF whenever a counter overflow occurs,
* so the handler examines all the 18 CCCR registers, processing the
* counters that have overflowed.
*
* On HTT machines, the CCCR register is shared and will interrupt
* both logical processors if so configured. Thus multiple logical