On Fri, Apr 22, 2022 at 9:28 PM Ira Weiny wrote:
>
> On Thu, Apr 21, 2022 at 08:33:51AM -0700, Dan Williams wrote:
> > Lockdep reports the following deadlock scenarios for CXL root device
> > power-management, device_prepare(), operations, and device_shutdown()
> > operations for 'nd_region'
On Thu, Apr 21, 2022 at 08:33:51AM -0700, Dan Williams wrote:
> Lockdep reports the following deadlock scenarios for CXL root device
> power-management, device_prepare(), operations, and device_shutdown()
> operations for 'nd_region' devices:
>
> ---
> Chain exists of:
>_region_key -->
Lockdep reports the following deadlock scenarios for CXL root device
power-management, device_prepare(), operations, and device_shutdown()
operations for 'nd_region' devices:
---
Chain exists of:
_region_key --> _bus->reconfig_mutex -->
system_transition_mutex
Possible unsafe locking
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