Re: [PATCH] drivers/char/mem.c: Add /dev/ioports, supporting 16-bit and 32-bit ports
From: Maciej W. Rozycki
Date: Fri Jun 06 2014 - 05:02:52 EST
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.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/