What is asmlinkage ?
rpal143 at gmail.com
Fri Jan 4 01:43:15 EST 2013
Thanks. So with asmlinkage we request compiler to put args on stack. What
is advantage of this to start_kernel or in general to other functions ?
On Thu, Jan 3, 2013 at 9:34 PM, Mulyadi Santosa
<mulyadi.santosa at gmail.com>wrote:
> On Thu, Jan 3, 2013 at 7:40 PM, Rahul Bedarkar <rpal143 at gmail.com> wrote:
> > Hi,
> > I was searching for asmlinkage and found that it is already explained at
> > http://kernelnewbies.org/FAQ/asmlinkage
> > But I didn't get this. Can someone tell me about it in brief ?
> the point is, parameters which is usually passed via stack, is passed
> using different way.
> A good example is system call.... they are passed using registers IIRC
> Mulyadi Santosa
> Freelance Linux trainer and consultant
> blog: the-hydra.blogspot.com
> training: mulyaditraining.blogspot.com
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