Re: Running out of IO space because of innocuous-looking DSDT change

From: Yinghai Lu
Date: Mon Oct 19 2015 - 13:00:26 EST


On Mon, Oct 19, 2015 at 9:00 AM, Roland Dreier <roland@xxxxxxxxxx> wrote:
> Would it make sense to change the kernel to reduce PCIBIOS_MIN_IO in
> my case? I could make it generic and send it upstream, or just hack
> it locally. Or (given my ignorance of ACPI in the real world) is this
> a broken BIOS change that I should ask my BIOS vendor to revert?
> Or... ?

I would suggest to expand standard_io_resources[] to include all
possible conflict that we should avoid, like the io port for serial and cf8/cf9.

Then we could just set PCIBIOS_MIN_IO to 0 for x86.

Thanks

Yinghai
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