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The validate_group() function needs to validate events with extra shared regs. Within an event group, only events with the same value for the extra reg can co-exist. This was not checked by validate_group() because it was missing the shared_regs logic. This patch changes the allocation of the fake cpuc used for validation to also point to a fake shared_regs structure such that group events be properly testing. It modifies __intel_shared_reg_get_constraints() to use spin_lock_irqsave() to avoid lockdep issues. Signed-off-by: Stephane Eranian <eranian@google.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20110606145708.GA7279@quad Signed-off-by: Ingo Molnar <mingo@elte.hu> |
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