* [PATCH 14/38] coresight: Replace deprecated CPU-hotplug functions. [not found] <20210803141621.780504-1-bigeasy@linutronix.de> @ 2021-08-03 14:15 ` Sebastian Andrzej Siewior 2021-08-03 15:52 ` Mathieu Poirier 0 siblings, 1 reply; 2+ messages in thread From: Sebastian Andrzej Siewior @ 2021-08-03 14:15 UTC (permalink / raw) To: linux-kernel Cc: tglx, Peter Zijlstra, Sebastian Andrzej Siewior, Mathieu Poirier, Suzuki K Poulose, Mike Leach, Leo Yan, Alexander Shishkin, coresight, linux-arm-kernel The functions get_online_cpus() and put_online_cpus() have been deprecated during the CPU hotplug rework. They map directly to cpus_read_lock() and cpus_read_unlock(). Replace deprecated CPU-hotplug functions with the official version. The behavior remains unchanged. Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: Mike Leach <mike.leach@linaro.org> Cc: Leo Yan <leo.yan@linaro.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- drivers/hwtracing/coresight/coresight-cpu-debug.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-cpu-debug.c b/drivers/hwtracing/coresight/coresight-cpu-debug.c index 9731d3a960735..00de46565bc40 100644 --- a/drivers/hwtracing/coresight/coresight-cpu-debug.c +++ b/drivers/hwtracing/coresight/coresight-cpu-debug.c @@ -588,11 +588,11 @@ static int debug_probe(struct amba_device *adev, const struct amba_id *id) drvdata->base = base; - get_online_cpus(); + cpus_read_lock(); per_cpu(debug_drvdata, drvdata->cpu) = drvdata; ret = smp_call_function_single(drvdata->cpu, debug_init_arch_data, drvdata, 1); - put_online_cpus(); + cpus_read_unlock(); if (ret) { dev_err(dev, "CPU%d debug arch init failed\n", drvdata->cpu); -- 2.32.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH 14/38] coresight: Replace deprecated CPU-hotplug functions. 2021-08-03 14:15 ` [PATCH 14/38] coresight: Replace deprecated CPU-hotplug functions Sebastian Andrzej Siewior @ 2021-08-03 15:52 ` Mathieu Poirier 0 siblings, 0 replies; 2+ messages in thread From: Mathieu Poirier @ 2021-08-03 15:52 UTC (permalink / raw) To: Sebastian Andrzej Siewior Cc: linux-kernel, tglx, Peter Zijlstra, Suzuki K Poulose, Mike Leach, Leo Yan, Alexander Shishkin, coresight, linux-arm-kernel On Tue, Aug 03, 2021 at 04:15:57PM +0200, Sebastian Andrzej Siewior wrote: > The functions get_online_cpus() and put_online_cpus() have been > deprecated during the CPU hotplug rework. They map directly to > cpus_read_lock() and cpus_read_unlock(). > > Replace deprecated CPU-hotplug functions with the official version. > The behavior remains unchanged. > > Cc: Mathieu Poirier <mathieu.poirier@linaro.org> > Cc: Suzuki K Poulose <suzuki.poulose@arm.com> > Cc: Mike Leach <mike.leach@linaro.org> > Cc: Leo Yan <leo.yan@linaro.org> > Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> > Cc: coresight@lists.linaro.org > Cc: linux-arm-kernel@lists.infradead.org > Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> > --- > drivers/hwtracing/coresight/coresight-cpu-debug.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/hwtracing/coresight/coresight-cpu-debug.c b/drivers/hwtracing/coresight/coresight-cpu-debug.c > index 9731d3a960735..00de46565bc40 100644 > --- a/drivers/hwtracing/coresight/coresight-cpu-debug.c > +++ b/drivers/hwtracing/coresight/coresight-cpu-debug.c > @@ -588,11 +588,11 @@ static int debug_probe(struct amba_device *adev, const struct amba_id *id) > > drvdata->base = base; > > - get_online_cpus(); > + cpus_read_lock(); > per_cpu(debug_drvdata, drvdata->cpu) = drvdata; > ret = smp_call_function_single(drvdata->cpu, debug_init_arch_data, > drvdata, 1); > - put_online_cpus(); > + cpus_read_unlock(); > Applied - thanks, Mathieu > if (ret) { > dev_err(dev, "CPU%d debug arch init failed\n", drvdata->cpu); > -- > 2.32.0 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-08-03 14:15 ` [PATCH 14/38] coresight: Replace deprecated CPU-hotplug functions Sebastian Andrzej Siewior
2021-08-03 15:52 ` Mathieu Poirier
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