[uClinux-dev] kernel preemptible on m68knommu ?

[Daniel Alomar]

Hi,

I think preemtible characteristic is especific for a 2.6.x kernel. Which 
kernel branch are you testing?

Regards,

En/na meyer.yannick at libertysurf.fr ha escrit:
> hi all,
> 
> i am looking to have a kernel that is preemptible. I use a
> Coldfire 5271, so it is in the family m68knommu.
> I search the CONFIG_PREEMPT option in the kernel and did not
> found it. So i take a look in the code, and i don't find
> anything for the m68knommu.
> 
> i search on different architectur, so i found that nios2 or
> m68k have something in it to take care of the CONFIG_PREEMPT
> define.
> Is the work difficult to port the preemptible kernel from
> m68k to m68knommu ?
> 
> Has someone a patch for the m68knommu arch so my kernel is
> preemtible ?
> 
> My application need to respond quickly on some interruption,
> but i can't do the application in a driver.
> Is there another solution that have a preemptible kernel to
> achieve the aim ?
> 
> I was thinking about calling schedule() in the interrupt
> hanlder, but it seem very bad ?
> But how can the scheduler be called just after the
> interruption ? 
> 
> Thank for all help and information
> 
> Yannick
> 
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Daniel Alomar i Claramonte
Research & Development Electronic Dept.
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