Re: [PATCH][ATM] assorted he driver cleanup

[Alan Cox]

On Llu, 2003-06-02 at 03:34, chas williams wrote:
> smp machines either.  i dont believe the i386 will reorder
> read/writes from multiple cpus so in theory it would be safe to
> do away with this lock on smp i386's.  the only arch that 
> can reorder (and actually has posted read/writes) is the ia64/sn2.

The only i386 platforms that will re-order writes I know of are the
Natsemi Geode (which will do magic so that the write order seen
by PCI is always ordered), Pentium Pro (fence bug) and IDT
Winchip (but only to main memory)