Re: Tigon3 5701 PCI-X recv performance problem

[John Partridge <johnip@xxxxxxx>]

OK, fair enough, you mean like :-

#if defined(__ia64__)
        if (len > RX_COPY_THRESHOLD && tp->rx_offset == 2) {
#else
        if (len > RX_COPY_THRESHOLD) {
#endif



David S. Miller wrote:
> On Wed, 08 Oct 2003 12:52:57 -0500
> John Partridge <johnip@xxxxxxx> wrote:
>
>
> > Not too much different
>
> The problem is that your change is arch-dependant yet you make it
> run on all platforms.
>
> On x86 we don't want to do what your change is doing, the unaligned
> accesses are cheap enough.
>
> We need to abstract this, probably in the same way it is done in
> the Tulip and other drivers which have similar issues.
--
John Partridge

Silicon Graphics Inc
Tel:  651-683-3428
Vnet: 233-3428
E-Mail: johnip@xxxxxxx