diff options
| author |   Alexander Monakov <amonakov@ispras.ru> | 2018-03-01 23:25:36 +0300 |
|---|---|---|
| committer |   Will Deacon <will.deacon@arm.com> | 2018-03-27 13:13:27 +0100 |
| commit | 65bd053fbf46c44b9862cb1e7d76ee84f90e386e (patch) | |
| tree | e75333ff46e24e240f7c050750d9abd6b1991853 /drivers/perf | |
| parent | perf: arm_spe: include linux/vmalloc.h for vmap() (diff) | |
| download | linux-dev-65bd053fbf46c44b9862cb1e7d76ee84f90e386e.tar.xz linux-dev-65bd053fbf46c44b9862cb1e7d76ee84f90e386e.zip | |
drivers/perf: arm_pmu_platform: do not warn about affinity on uniprocessor
If there is exactly one CPU present, there is no ambiguity: do not warn
that PMU setup would need to guess IRQ affinity.
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Alexander Monakov <amonakov@ispras.ru>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'drivers/perf')
| -rw-r--r-- | drivers/perf/arm_pmu_platform.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/perf/arm_pmu_platform.c b/drivers/perf/arm_pmu_platform.c index 7729eda5909d..971ff336494a 100644 --- a/drivers/perf/arm_pmu_platform.c +++ b/drivers/perf/arm_pmu_platform.c @@ -122,7 +122,7 @@ static int pmu_parse_irqs(struct arm_pmu *pmu) return pmu_parse_percpu_irq(pmu, irq); } - if (!pmu_has_irq_affinity(pdev->dev.of_node)) { + if (nr_cpu_ids != 1 && !pmu_has_irq_affinity(pdev->dev.of_node)) { pr_warn("no interrupt-affinity property for %pOF, guessing.\n", pdev->dev.of_node); } |