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perf/cxlpmu: Replace IRQF_ONESHOT with IRQF_NO_THREAD

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Passing IRQF_ONESHOT ensures that the interrupt source is masked until
the secondary (threaded) handler is done. If only a primary handler is
used then the flag makes no sense because the interrupt can not fire
(again) while its handler is running.
The flag also disallows force-threading of the primary handler and the
irq-core will warn about this.

The intention here was probably not allowing forced-threading.

Replace IRQF_ONESHOT with IRQF_NO_THREAD.

Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Sebastian Andrzej Siewior 2026-01-28 10:55:34 +01:00 • committed by Will Deacon
parent 79448fa1f4
commit ab26d9c855
1 changed files with 1 additions and 1 deletions
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2
drivers/perf/cxl_pmu.c
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@ -877,7 +877,7 @@ static int cxl_pmu_probe(struct device *dev)
if (!irq_name)
return -ENOMEM;
rc = devm_request_irq(dev, irq, cxl_pmu_irq, IRQF_SHARED | IRQF_ONESHOT,
rc = devm_request_irq(dev, irq, cxl_pmu_irq, IRQF_SHARED | IRQF_NO_THREAD,
irq_name, info);
if (rc)
return rc;