Re: [patch 2/9] use mmiowb in tg3.c

["David S. Miller" <davem@xxxxxxxxxxxxx>]

On Thu, 28 Oct 2004 00:19:40 -0700
akpm@xxxxxxxx wrote:

> From: Jesse Barnes <jbarnes@xxxxxxxxxxxx>
> 
> This patch originally from Greg Banks.  Some parts of the tg3 driver depend
> on PIO writes arriving in order.  This patch ensures that in two key places
> using the new mmiowb macro.  This not only prevents bugs (the queues can be
> corrupted), but is much faster than ensuring ordering using PIO reads
> (which involve a few round trips to the target bus on some platforms).
> 
> Arthur has another patch that uses mmiowb in tg3 that he posted earlier as
> well.
> 
> Signed-off-by: Greg Banks <gnb@xxxxxxx>
> Signed-off-by: Jesse Barnes <jbarnes@xxxxxxx>
> Signed-off-by: Andrew Morton <akpm@xxxxxxxx>

Ok, applied.