From: Thomas Gleixner <tglx@linutronix.de>
To: Robin Murphy <robin.murphy@arm.com>
Cc: mark.rutland@arm.com, suzuki.poulose@arm.com,
peterz@infradead.org, bigeasy@linutronix.de, will.deacon@arm.com,
linux-kernel@vger.kernel.org, "Li, Meng" <Meng.Li@windriver.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/5] perf/arm-cci: Fix CPU hotplug race avoidance
Date: Sun, 10 Feb 2019 21:43:18 +0100 (CET) [thread overview]
Message-ID: <alpine.DEB.2.21.1902102140080.8784@nanos.tec.linutronix.de> (raw)
In-Reply-To: <606ff8c3f7f35ccdcb4b52a49f692fb20e27359c.1549299188.git.robin.murphy@arm.com>
On Mon, 4 Feb 2019, Robin Murphy wrote:
> +
> + cpus_read_lock();
> + cci_pmu->cpu = smp_processor_id();
That wants to be raw_smp_processor_id() because this is preemptible
context and debug_smp_processor_id() will complain.
Thanks,
tglx
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next prev parent reply other threads:[~2019-02-10 20:43 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-04 17:09 [PATCH 0/5] Fix Arm system PMU hotplug issues Robin Murphy
2019-02-04 17:09 ` [PATCH 1/5] perf/arm-cci: Fix CPU hotplug race avoidance Robin Murphy
2019-02-05 10:10 ` Corentin Labbe
2019-02-05 11:19 ` Suzuki K Poulose
2019-02-10 20:43 ` Thomas Gleixner [this message]
2019-02-04 17:09 ` [PATCH 2/5] cpu/hotplug: Export __cpuhp_state_add_instance_cpuslocked() Robin Murphy
2019-02-04 17:09 ` [PATCH 3/5] perf/arm-ccn: Fix CPU hotplug race avoidance Robin Murphy
2019-02-05 11:38 ` Suzuki K Poulose
2019-02-10 20:44 ` Thomas Gleixner
2019-02-04 17:09 ` [PATCH 4/5] cpu/hotplug: Add locked variant of cpuhp_state_add_instance() Robin Murphy
2019-02-04 17:09 ` [PATCH 5/5] perf/arm_dsu: Fix CPU hotplug races Robin Murphy
2019-02-05 11:40 ` Suzuki K Poulose
2019-02-05 13:04 ` Robin Murphy
2019-02-05 9:25 ` [PATCH 0/5] Fix Arm system PMU hotplug issues Mark Rutland
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