Messages in this thread | | | Date | Mon, 11 Dec 2017 15:42:18 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH 0/2] acpi, x86: Add SPCR table support |
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* Prarit Bhargava <prarit@redhat.com> 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
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