Subject: Re: Kernel copyin/out optimizations for ARM...
To: David Laight <>
From: Ben Harris <>
List: port-arm
Date: 03/18/2002 12:11:02
On Mon, 18 Mar 2002, David Laight wrote:

> Do you know (off hand) how big the copyin that is done for the
> arguments on every system call is?

Zero.  Most system calls take <=4 arguments, and the first four arguments
are passed to the kernel in registers.

Ben Harris                                                   <>
Portmaster, NetBSD/arm26               <URL:>