Messages in this thread | | | Date | Thu, 15 Oct 2009 02:00:43 -0700 | From | Josh Triplett <> | Subject | Re: Userspace RCU 0.2.3 |
| |
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
| |