Interrupt disabling design
    Pantelis Antoniou 
    panto at intracom.gr
       
    Thu Apr  7 20:19:22 EST 2005
    
    
  
Garcia Jérémie wrote:
> Hi everybody, 
> I'm trying to emulate a VxWorks-designed application under a linux montavista environment.
> In this application I have critical portion of code which need the interrupts disabled as below:
[snip]
> 
> Is it possible to do that? Cause If I do a "cli()" call, I disable interrupts --> so, will the "sti()" call work?
> If yes, it allows me to make my own system call to use them from the user space but I'm not really sure...
> 
> Tks a lot for your help 
> _______________________________________________
Although it might be possible to something like that with root permissions,
  I'd recommend against it.
If you want to run code with disabled interrupts, move that code in a kernel
module and disable/enable interrupts in the kernel
(still bad but acceptable).
IMHO of course.
Regards
Pantelis
    
    
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