Re: [PATCH] drivers/char/mem.c: Add /dev/ioports, supporting 16-bit and 32-bit ports

[Maciej W. Rozycki]

On Wed, 4 Jun 2014, H. Peter Anvin wrote:

> > Also IIRC PCI-PCI bridges only forward port I/O space accesses 
> > within the low 64kB.
> 
> Not true.

 It must have been an implementation-specific constraint then (e.g. 
DECchip 21050), it's been a while since I looked into it.  Thanks for 
straightening me out.

  Maciej
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