[PATCH 0/3] perf_event: enable overflow interrupts on KNC

[Vince Weaver]

Hello

the following patchset enables overflow interrupts on Knights Corner,
the initial KNC PMU driver that was included in 3.7-rc1 did not
support this.

The first patch should be straightforward.
The second should be too, but it relates to a problem with the p6 PMU
    that I brought up in a separate thread.
The third patch copies code over from the perf_event_intel.c interrupt
    handler.  Unfortunately KNC and x86 architectural perfmon use
    different MSR numbers.  The proper fix might be to make this
    generic and have function vectors for the status/ack functions,
    but since they are inline and probably performance critical
    I took the easy way out and just duplicated the code.

Thanks,

Vince Weaver
vincent.weaver@xxxxxxxxx
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