Re: Question regarding switch_to on x86

From: Brian Gerst
Date: Sat May 08 2004 - 09:13:18 EST

read lkml wrote:

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


last is actually a return value. Since switch_to() switches stacks, last must be passed through in a register.

Brian Gerst
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