Question regarding switch_to on x86

[read lkml]

Hi,

Could anyone please explain to me (or point me to some
documentation) the need for the 3rd argument in the
switch_to macro on x86? Why is it 
switch_to(prev, next, last)? how are prev and last
different? 

Thanks


	
		
__________________________________
Do you Yahoo!?
Win a $20,000 Career Makeover at Yahoo! HotJobs  
http://hotjobs.sweepstakes.yahoo.com/careermakeover 
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/