Subject: Re: Syscall number space
To: Darren Reed <darrenr@netbsd.org>
From: Jason Thorpe <thorpej@shagadelic.org>
List: tech-kern
Date: 08/27/2007 09:21:17
On Aug 26, 2007, at 11:12 PM, Darren Reed wrote:

> But there is a system call table per emulation...
> The problem being discussed impacts vendors who are modifying the  
> netbsd kernel,
> they could benefit with always being able to use the same system  
> call #.

Honestly, I don't see a lot of benefit to that, from a vendor's  
perspective.

> How hard would it be to support a secondary system call table (or  
> tree) that
> was for system calls above a certain number...and "not normally used"?

Not hard, but certainly would come with a performance penalty.

-- thorpej