i486 base architecture
P at draigBrady.com
P at draigBrady.com
Wed Dec 1 14:17:44 UTC 2004
Alan Cox wrote:
> On Tue, Nov 30, 2004 at 11:06:21PM -0500, William M. Quarles wrote:
>
>>>The only thing 486 might give is the ability to consign the old
>>>linuxthread stuff to the dustbin of back compatibility.
>>
>>I'm guessing that's supposed to be a joke?
>
>
> No its quite serious. 486 adds a lot of the SMP instructions like XADD that
> good threading in user space wants.
True. However they could be emulated inefficiently on 386.
I remember seeing a patch (I think from Andi Kleen) that
added 386 suport to NPTL.
Also note that http://cobind.com/ supports 386
Pádraig.
More information about the devel
mailing list