Hi Bjorn,
On Fri, 26 Oct 2007 07:09:19 -0600, Bjorn Helgaas wrote:
> On Friday 26 October 2007 4:45:20 am Thomas Renninger wrote:
> > Maybe the list set up by this patch set should be similarly exported
> > like /proc/ioports /proc/iomem
> > to where ever appropriate (maybe /sys/devices/system/acpi/opreg_io
> > and /sys/devices/system/acpi/opreg_mem?) to get a better overview what
> > kind of devices are served by the Op regions on different machines.
>
> I want to try hard to avoid making ACPI a special case in this way.
> The current /proc/io{ports,mem} contains reservations for everything
> else. I'd hate to have to look two places just because of ACPI.
I agree. I consider the patches Thomas and myself just posted as a
temporary workaround (even though we can't say how long this
"temporary" will last). Ideally, we should register the I/O ports
declared in ACPI OpRegions - just not now as it would break too many
drivers. Time we tell how "clean" we manage to go.
--
Jean Delvare
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