Subject: Re: rough SA patch (works on SMP)
To: Frank van der Linden <fvdl@netbsd.org>
From: Nathan J. Williams <nathanw@wasabisystems.com>
List: tech-kern
Date: 06/23/2003 14:57:41
Frank van der Linden <fvdl@netbsd.org> writes:
> Thanks Stephan.
>
> On Mon, Jun 23, 2003 at 04:50:32AM -0400, Stephan Uphoff wrote:
> > FYI: The patch only allows a single SA LWP to be active in
> > userspace.
>
> I assume you mean for an SMP configuration? I believe that restriction
> has always been there (so far).
For UP, it's not a restriction, it's a deliberate property of SAs. In
general, the number of SA LWPs in userspace should always be less than
or equal to the number of CPUs in the system.
- Nathan