Re: [PATCH] forcedeth: Additional ethtool support

[Francois Romieu <romieu@xxxxxxxxxxxxx>]

Manfred Spraul <manfred@xxxxxxxxxxxxxxxx> :
[memcpy_fromio]
> Not for a nic without complete documentation: What if an arch uses 
> 64-bit reads to read two registers at the same time?

So far, no citizen of arch/ does. Afaik it would probably be a bad
idea on pci-x.

> that, for example IIRC natsemi explicitely mandates 32-bit reads.
> x86-64 doesn't, it uses 32-bit reads, but I don't like the idea of using 
> memcpy to read registers.

Ok.

--
Ueimor