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Re: What is meant by fastpath and slowpath function in linux kernel?

On Fri, 2006-05-05 at 01:34 +0200, grundig wrote:
> El Thu, 4 May 2006 11:50:17 +0530,
> "Manjunath Naik" <peter.desouzain@xxxxxxxxx> escribiÃ:
> 
> > regparm (number)
> > 
> > On the Intel 386, the regparm attribute causes the compiler to pass
> > arguments number one to number if they are of integral type in registers
> > EAX, EDX, and ECX instead of on the stack. Functions that take a variable
> > number of arguments will continue to be passed all of their arguments on the
> > stack.
> 
> 
> Speaking of which, is this supported for x86-64? I'm curious; since x86-64
> has more registers

this is the default on x86-64 already even for userspace
(while on x86-32 it's only default for the kernel no)


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