On 2014年08月28日 07:37, Rafael J. Wysocki wrote:
> On Wednesday, August 27, 2014 03:11:29 PM Lan Tianyu wrote:
>> Deadlock is possible when CPU hotplug and evaluating ACPI method happen
>> at the same time.
>>
>> During CPU hotplug, acpi_cpu_soft_notify() is called under the CPU hotplug
>> lock. The
On Wednesday, August 27, 2014 03:11:29 PM Lan Tianyu wrote:
> Deadlock is possible when CPU hotplug and evaluating ACPI method happen
> at the same time.
>
> During CPU hotplug, acpi_cpu_soft_notify() is called under the CPU hotplug
> lock. Then, acpi_cpu_soft_notify() calls acpi_bus_get_device()
Deadlock is possible when CPU hotplug and evaluating ACPI method happen
at the same time.
During CPU hotplug, acpi_cpu_soft_notify() is called under the CPU hotplug
lock. Then, acpi_cpu_soft_notify() calls acpi_bus_get_device() to obtain
the struct acpi_device attached to the given ACPI handle.
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