diff options
author | David S. Miller <davem@davemloft.net> | 2017-08-01 10:07:50 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2017-08-01 10:07:50 -0700 |
commit | 29fda25a2d31098044f8dfa177c4d2834071828e (patch) | |
tree | 9e4be11c49a4405c19ece8f81fbb1db478da1055 /drivers/perf/arm_pmu.c | |
parent | bb1182bc3e5956a93ab3ef8a3cbfb7966c42a94a (diff) | |
parent | bc78d646e708dabd1744ca98744dea316f459497 (diff) | |
download | talos-obmc-linux-29fda25a2d31098044f8dfa177c4d2834071828e.tar.gz talos-obmc-linux-29fda25a2d31098044f8dfa177c4d2834071828e.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Two minor conflicts in virtio_net driver (bug fix overlapping addition
of a helper) and MAINTAINERS (new driver edit overlapping revamp of
PHY entry).
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/perf/arm_pmu.c')
-rw-r--r-- | drivers/perf/arm_pmu.c | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index dc459eb1246b..1c5e0f333779 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -569,22 +569,41 @@ int armpmu_request_irq(struct arm_pmu *armpmu, int cpu) if (irq != other_irq) { pr_warn("mismatched PPIs detected.\n"); err = -EINVAL; + goto err_out; } } else { - err = request_irq(irq, handler, - IRQF_NOBALANCING | IRQF_NO_THREAD, "arm-pmu", + struct arm_pmu_platdata *platdata = armpmu_get_platdata(armpmu); + unsigned long irq_flags; + + err = irq_force_affinity(irq, cpumask_of(cpu)); + + if (err && num_possible_cpus() > 1) { + pr_warn("unable to set irq affinity (irq=%d, cpu=%u)\n", + irq, cpu); + goto err_out; + } + + if (platdata && platdata->irq_flags) { + irq_flags = platdata->irq_flags; + } else { + irq_flags = IRQF_PERCPU | + IRQF_NOBALANCING | + IRQF_NO_THREAD; + } + + err = request_irq(irq, handler, irq_flags, "arm-pmu", per_cpu_ptr(&hw_events->percpu_pmu, cpu)); } - if (err) { - pr_err("unable to request IRQ%d for ARM PMU counters\n", - irq); - return err; - } + if (err) + goto err_out; cpumask_set_cpu(cpu, &armpmu->active_irqs); - return 0; + +err_out: + pr_err("unable to request IRQ%d for ARM PMU counters\n", irq); + return err; } int armpmu_request_irqs(struct arm_pmu *armpmu) @@ -628,12 +647,6 @@ static int arm_perf_starting_cpu(unsigned int cpu, struct hlist_node *node) enable_percpu_irq(irq, IRQ_TYPE_NONE); return 0; } - - if (irq_force_affinity(irq, cpumask_of(cpu)) && - num_possible_cpus() > 1) { - pr_warn("unable to set irq affinity (irq=%d, cpu=%u)\n", - irq, cpu); - } } return 0; |