Subject: Re: rough SA patch (works on SMP)
To: Nathan J. Williams <firstname.lastname@example.org>
From: Stephan Uphoff <email@example.com>
Date: 06/23/2003 16:34:13
Nathan J. Williams writes:
> Frank van der Linden <firstname.lastname@example.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
Yes - but for SMP configurations this is a restriction.
Again this is just a band-aid and I wanted to show the limitations
of the patch.
I will try to squash the bus error bug tomorrow.