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