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[68.147.0.187]) by smtp.gmail.com with ESMTPSA id z33sm11742433pga.20.2021.08.03.08.52.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Aug 2021 08:52:22 -0700 (PDT) Date: Tue, 3 Aug 2021 09:52:20 -0600 From: Mathieu Poirier To: Sebastian Andrzej Siewior Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de, Peter Zijlstra , Suzuki K Poulose , Mike Leach , Leo Yan , Alexander Shishkin , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 14/38] coresight: Replace deprecated CPU-hotplug functions. Message-ID: <20210803155220.GA3091608@p14s> References: <20210803141621.780504-1-bigeasy@linutronix.de> <20210803141621.780504-15-bigeasy@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210803141621.780504-15-bigeasy@linutronix.de> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 > Cc: Suzuki K Poulose > Cc: Mike Leach > Cc: Leo Yan > Cc: Alexander Shishkin > Cc: coresight@lists.linaro.org > Cc: linux-arm-kernel@lists.infradead.org > Signed-off-by: Sebastian Andrzej Siewior > --- > 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 >