Re: Calling current() from interrupt context

From: yodaiken@fsmlabs.com
Date: Tue Oct 10 2000 - 02:04:22 EST


On Mon, Oct 09, 2000 at 11:30:50PM +0100, Alan Cox wrote:
> > I think I'll go for the 'current is in a well-known register'
> > approach and see how this goes...
>
> Failing that the 2.0 approach will work, current is a global in uniprocessor
> and a #define to an array indexed by cpu id in smp

Alan. What's the ballpark expense of doing the hard_smp_id (from apic) rather than
*(sp&PAGE)

>
>
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-- 
---------------------------------------------------------
Victor Yodaiken 
Finite State Machine Labs: The RTLinux Company.
 www.fsmlabs.com  www.rtlinux.com

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