Re: [PATCH 0/2] acpi, x86: Add SPCR table support

[Ingo Molnar]

* Prarit Bhargava <prarit@xxxxxxxxxx> wrote:

> If I disable "Serial Port Console Debug" in my BIOS I still see the SPCR configured:
> 
> [root@prarit-lab ~]# dmesg | grep SPCR
> [    0.000000] ACPI: SPCR 0x0000000069031000 000050 (v01
> 00000000      00000000)
> 
> AFAICT the SPCR is always enabled on some systems.

Fair enough.

> > If so then we should pick up that serial console configuration and activate it, 
> > regardless of any kernel boot options!
> 
> I'm worried about someone who doesn't want a console on ttyS0 suddenly ending up
> with one.  The SPCR could contain incorrect data, etc.

Yeah, that's not good.

Thanks,

	Ingo