Hi Rafael,

On 08/28/2013 09:45 PM, Rafael J. Wysocki wrote:

> Hi All,
> 
> The following two patches are to address possible deadlocks related to
> device removal and device sysfs attribute access.  In short, some device
> sysfs attribute callbacks need to acquire locks that are also held around
> device removal and that may lead to deadlocks with s_active draining in
> sysfs_deactivate().
> 
> [1/2] Avoid possible device removal deadlocks related to device_hotplug_lock.
> [2/2] Rework the handling of containers by ACPI hotplug (which makes a 
> possible
>       device removal deadlock related to acpi_scan_lock go away).
> 

This version is concise and friendly. It works well on latest kernel tree, and 
all
the splat goes away.:)

Best regards,
Gu

> On top of linux-next, for v3.12.

> 
> Thanks,
> Rafael
> 
> 


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