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Subject: Re: Again:syscall from modules
From: Terje Eggestad <terje.eggestad@scali.com>
To: Terje Eggestad <terje.eggestad@scali.com>
Cc: Amber Palekar <amber_palekar@yahoo.com>,
        Trond Myklebust <trond.myklebust@fys.uio.no>,
        kernel list <linux-kernel@vger.kernel.org>
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	<1009468465.15846.0.camel@eggis1>
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Date: 27 Dec 2001 17:04:45 +0100
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Guess I should add that most sys_* functions are wrappers.

On Thu, 2001-12-27 at 16:54, Terje Eggestad wrote:
> Yes, the sys_* funcs are declared asmlinkage int sys_*. 
> where the asmlinkage differ from platform to platform. 
> It's used to tell the compiler if a non standared calling 
> convertion is used, typically if params are passed by registers
> instead of stack. The asmlinkage define must be sett according to the
> syscall dispatcher (entry.S on ia32), and may be changed accordingly. 
> 
> In short, if you want to use sys_* you must understand the interaction
> between the sys_* funcs and the dispatcher on *every* platform, and
> the interaction may change without notice.
> 
> In short short, don't don't don't don't use the sys_* functions.
> 
> TJ
> 
> On Tue, 2001-12-25 at 14:14, Amber Palekar wrote:
> > 
> >  Hi,
> >  
> > > Just use sock_sendmsg() and sock_recvmsg() directly.
> > > They are both
> > > exported in netsyms.c.
> >   Is there any specific reason behind not exporting
> > sys_sendto and sys_recvfrom ??
> > 
> > > Cheers,
> > >   Trond
> > 
> > TIA
> > Amber
> > 
> > 
> > __________________________________________________
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> 
> 
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