Commit de34787f authored Nov 22, 2017 by Madhavan Srinivasan Committed by Michael Ellerman Nov 22, 2017

powerpc/perf: Fix pmu_count to count only nest imc pmus



"pmu_count" in opal_imc_counters_probe() is intended to hold
the number of successful nest imc pmu registerations. But
current code also counts other imc units like core_imc and
thread_imc. Patch add a check to count only nest imc pmus.

Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent 252eb558

arch/powerpc/platforms/powernv/opal-imc.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -191,9 +191,11 @@ static int opal_imc_counters_probe(struct platform_device *pdev)
		break;
		}

		if (!imc_pmu_create(imc_dev, pmu_count, domain))
		if (!imc_pmu_create(imc_dev, pmu_count, domain)) {
		if (domain == IMC_DOMAIN_NEST)
		pmu_count++;
		}
		}

		return 0;
		}