Re: [PATCH for-rc] IB/hfi1: Insure preempt is held across smp_processor_id

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On Mon, Dec 13, 2021 at 09:11:19AM -0500, Dennis Dalessandro wrote:
> From: Mike Marciniszyn <mike.marciniszyn@xxxxxxxxxxxxxxxxxxxx>
> 
> Despite the patch noted below, the warning still happens with
> certain kernel configs.
> 
> It appears that either check_preemption_disabled() is inconsistent with
> with debug_rcu_read_lock() or the patch incorrectly assumes that an RCU
> critical section will prevent the current cpu from changing.
> 
> A clarification has been solicited via:
> https://lore.kernel.org/linux-rdma/CH0PR01MB71536FB1BD5ECF16E65CB3BFF26F9@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/T/#u

Did nobody answer your thread asking about this?

Jason



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