Advice on a multithreaded netisr patch?

[Barney Cordoba]

--- On Tue, 4/7/09, Robert Watson <rwatson at FreeBSD.org> wrote:

> From: Robert Watson <rwatson at FreeBSD.org>
> Subject: Re: Advice on a multithreaded netisr  patch?
> To: "Barney Cordoba" <barney_cordoba at yahoo.com>
> Cc: freebsd-net at freebsd.org, "Ivan Voras" <ivoras at freebsd.org>
> Date: Tuesday, April 7, 2009, 6:52 PM
> On Tue, 7 Apr 2009, Barney Cordoba wrote:
> 
> >>> When I enabled LOCK_PROFILING my side modules,
> such as
> >> if_ibg, stopped working. It seems that the ifnet
> structure or something changed with that option enabled. Is
> there a way to sync this without having to integrate
> everything into a specific kernel build?
> >> 
> >> LOCK_PROFILING changes the size of lock-related
> data structures, so requires both kernel and full set of
> modules to be rebuilt with the option.
> > 
> > It might be good to mention this in the man page. Most
> 3rd party drivers build stand-alone, and even if you pull
> down the latest drivers from intel or broadcom they're
> usually built out of the kernel build. Its pretty
> frustrating to have random things failing, mbuf leaks, etc
> without any warning.
> 
> From the man page:
> 
> NOTES
>      The LOCK_PROFILING option increases the size of struct
> lock_object, so a
>      kernel built with that option will not work with
> modules built without
>      it.

Nice work. Its not in the 7.0 man page, unfortunately for me :(

BC