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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> 
> 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/CH0PR01MB71536FB1BD5ECF16E65CB3BFF2
> > 6F9@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/T/#u
> 
> Did nobody answer your thread asking about this?
> 
> Jason

No.




[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux