oprofile/x86: fix perfctr nmi reservation for mulitplexing

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Multiple virtual counters share one physical counter. The reservation
of virtual counters fails due to duplicate allocation of the same
counter. The counters are already reserved. Thus, virtual counter
reservation may removed at all. This also makes the code easier.

Cc: stable@kernel.org
Signed-off-by: Robert Richter <robert.richter@amd.com>

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Robert Richter 2010-02-25 19:16:46 +01:00

parent 8588d10671

commit 68dc819ce8

2 changed files with 6 additions and 24 deletions

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11

arch/x86/oprofile/nmi_int.c

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19

arch/x86/oprofile/op_model_amd.c

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