Force kernel epoch calls

[Hans Petter Selasky]

On 2019-08-07 11:56, Liang Zhuo wrote:
> Thanks for the quick reply.
> 
> Actually, I just need some tricks
> in *userspace *to force the kernel to
> call those callbacks or some methods
> which could inform the kernel to call
> the callbacks.
> 
> I am not writing a driver or kernel patch,
> it's just a userspace program which could
> escalate privilege to root.
> 
> Thanks,
> Brightiup

Hi,

If you want to force these callbacks, you'll need to iterate over all 
the CPU's and do:
	GROUPTASK_ENQUEUE(DPCPU_PTR(epoch_cb_task));

--HPS