preferable way to control kernel module

[Sergey Uvarov]

John Baldwin wrote:
> On Wednesday 10 August 2005 04:29 pm, Sergey Uvarov wrote:
> 
>>Hello hackers,
>>
>>I'm writing a kernel module for my own needs. AFAIK the following
>>methods could be used:
>>
>>1) allocate not used system call with help of SYSCALL_MODULE macro
>>
>>2) allocate proprieatry oid via SYSCTL_OID(OID_AUTO) and write an
>>appropriate sysctl handler(s)
>>
>>3) add a file in /dev and use ioctl(2) call
>>
>>What is a preferable way to control my module?
> 
> 
> It depends on what you want to do really.  I've used sysctl's for simple debug 
> modules where I write to the sysctl to have it perform a desired action.

I need to pass some configuration parameters to my module and retrieve a 
status back. Interface is quite similar to ptrace(2) syscall. I don't 
need to pass large amount of data.

Thanks,
	Sergey.