From: Josh Triplett <josh@joshtriplett.org>
To: Mathieu Desnoyers <compudj@krystal.dyndns.org>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Jon Bernard <jbernard@debian.org>, Jan Blunck <jblunck@suse.de>,
Pierre Habouzit <madcoder@debian.org>,
Steven Munroe <munroesj@linux.vnet.ibm.com>,
Bert Wesarg <bert.wesarg@googlemail.com>,
Pierre-Marc Fournier <pierre-marc.fournier@polymtl.ca>,
ltt-dev@lists.casi.polymtl.ca, rp@svcs.cs.pdx.edu,
linux-kernel@vger.kernel.org
Subject: Re: Userspace RCU 0.2.3
Date: Thu, 15 Oct 2009 02:00:43 -0700 [thread overview]
Message-ID: <20091015090042.GA7677@feather> (raw)
In-Reply-To: <20091015023925.GA27959@Krystal>
On Wed, Oct 14, 2009 at 10:39:25PM -0400, Mathieu Desnoyers wrote:
> * Paul E. McKenney (paulmck@linux.vnet.ibm.com) wrote:
> > On Wed, Oct 14, 2009 at 06:36:57PM -0400, Mathieu Desnoyers wrote:
> > > Hi,
> > >
> > > I just released lib urcu 0.2.3, which is now using autotools. I also
> > > integrated automatic architecture detection for old 386 which lack
> > > cmpxchg (using a fall-back if necessary). I also use a lock; addl
> > > instead of mfence on x86-32 to support a larger variety of older Intel
> > > CPUs.
> >
> > !!!
> >
> > Is there anyone on these lists other than me who has actually used an
> > SMP 80386-based system?
>
> SMP 386, ugh, no. But UP 386 yes (at least me). :)
>
> It will become important as the library gets integrated in
> distributions.
Even Debian has given up on real 386 systems at this point, primarily
because system libraries like glibc have; 486 and better represents the
bare minimum required at this point. I don't know of any distributions
supporting real 386 systems at this point, and doing so would represent
a major undertaking.
- Josh Triplett
next prev parent reply other threads:[~2009-10-15 9:05 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-14 22:36 Userspace RCU 0.2.3 Mathieu Desnoyers
2009-10-15 0:02 ` Paul E. McKenney
2009-10-15 2:39 ` Mathieu Desnoyers
2009-10-15 4:34 ` Paul E. McKenney
2009-10-15 9:00 ` Josh Triplett [this message]
2009-10-15 17:40 ` Pierre-Marc Fournier
2009-10-17 17:16 ` Pavel Machek
2009-10-18 22:02 ` [rp] " Mathieu Desnoyers
2009-10-18 22:52 ` Pavel Machek
2009-10-18 23:16 ` [ltt-dev] " Mathieu Desnoyers
2009-10-19 23:59 ` Userspace RCU 0.2.4 Mathieu Desnoyers
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