* Intel MID / CE4100 - platform support - pnpbios support ?
@ 2016-03-31 20:03 Luis R. Rodriguez
2016-04-04 16:01 ` H. Peter Anvin
0 siblings, 1 reply; 4+ messages in thread
From: Luis R. Rodriguez @ 2016-03-31 20:03 UTC (permalink / raw)
To: Andy Shevchenko, H. Peter Anvin, Thomas Gleixner, Jiang Liu
Cc: Boris Ostrovsky, X86 ML, Borislav Petkov, xen-devel, Andy Lutomirski
Andy S, Peter, Thomas, Jiang (or who might know),
Do Intel MID platforms exist with PNP BIOS support? What abot CE4100?
As it stands I don't see anything that would prevent this but I would
suspect a possibility might be that it doesn't. I'm sanitizing some
early boot code right now and pnpbios is one, and as I work on this,
this has come up as a question for me.
Luis
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Intel MID / CE4100 - platform support - pnpbios support ?
2016-03-31 20:03 Intel MID / CE4100 - platform support - pnpbios support ? Luis R. Rodriguez
@ 2016-04-04 16:01 ` H. Peter Anvin
2016-04-04 18:24 ` Luis R. Rodriguez
0 siblings, 1 reply; 4+ messages in thread
From: H. Peter Anvin @ 2016-04-04 16:01 UTC (permalink / raw)
To: Luis R. Rodriguez, Andy Shevchenko, Thomas Gleixner, Jiang Liu
Cc: Boris Ostrovsky, X86 ML, Borislav Petkov, xen-devel, Andy Lutomirski
On 03/31/16 13:03, Luis R. Rodriguez wrote:
> Andy S, Peter, Thomas, Jiang (or who might know),
>
> Do Intel MID platforms exist with PNP BIOS support? What abot CE4100?
> As it stands I don't see anything that would prevent this but I would
> suspect a possibility might be that it doesn't. I'm sanitizing some
> early boot code right now and pnpbios is one, and as I work on this,
> this has come up as a question for me.
>
The "MID" platforms from a Linux platform perspective are the ones with
SFI and DT bootloaders, respectively; by definition they don't have
standard BIOS.
-hpa
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Intel MID / CE4100 - platform support - pnpbios support ?
2016-04-04 16:01 ` H. Peter Anvin
@ 2016-04-04 18:24 ` Luis R. Rodriguez
2016-04-04 18:43 ` H. Peter Anvin
0 siblings, 1 reply; 4+ messages in thread
From: Luis R. Rodriguez @ 2016-04-04 18:24 UTC (permalink / raw)
To: H. Peter Anvin
Cc: xen-devel, Boris Ostrovsky, X86 ML, Luis R. Rodriguez,
Borislav Petkov, Andy Lutomirski, Thomas Gleixner,
Andy Shevchenko, Jiang Liu
On Mon, Apr 04, 2016 at 09:01:06AM -0700, H. Peter Anvin wrote:
> On 03/31/16 13:03, Luis R. Rodriguez wrote:
> > Andy S, Peter, Thomas, Jiang (or who might know),
> >
> > Do Intel MID platforms exist with PNP BIOS support? What abot CE4100?
> > As it stands I don't see anything that would prevent this but I would
> > suspect a possibility might be that it doesn't. I'm sanitizing some
> > early boot code right now and pnpbios is one, and as I work on this,
> > this has come up as a question for me.
> >
>
> The "MID" platforms from a Linux platform perspective are the ones with
> SFI and DT bootloaders, respectively; by definition they don't have
> standard BIOS.
I see thanks, I ask as I'm currently removing a pnpbios replacing a
paravirt_enabled() check to a more general disable pnpbios x86 platform quirk
option, so far lguest and xen would use it but it would seem to me it was
worthy to ask if if MID and CE4100 subarchs also could have this set as well
then.
It sounds like then at least for Intel MID I can disable pnpbios as well
as a quirk as well. I can introduce that change separately in my series.
What about CE4100 ?
Luis
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Intel MID / CE4100 - platform support - pnpbios support ?
2016-04-04 18:24 ` Luis R. Rodriguez
@ 2016-04-04 18:43 ` H. Peter Anvin
0 siblings, 0 replies; 4+ messages in thread
From: H. Peter Anvin @ 2016-04-04 18:43 UTC (permalink / raw)
To: Luis R. Rodriguez
Cc: xen-devel, Boris Ostrovsky, X86 ML, Borislav Petkov,
Andy Lutomirski, Thomas Gleixner, Andy Shevchenko, Jiang Liu
On 04/04/16 11:24, Luis R. Rodriguez wrote:
> On Mon, Apr 04, 2016 at 09:01:06AM -0700, H. Peter Anvin wrote:
>> On 03/31/16 13:03, Luis R. Rodriguez wrote:
>>> Andy S, Peter, Thomas, Jiang (or who might know),
>>>
>>> Do Intel MID platforms exist with PNP BIOS support? What abot CE4100?
>>> As it stands I don't see anything that would prevent this but I would
>>> suspect a possibility might be that it doesn't. I'm sanitizing some
>>> early boot code right now and pnpbios is one, and as I work on this,
>>> this has come up as a question for me.
>>>
>>
>> The "MID" platforms from a Linux platform perspective are the ones with
>> SFI and DT bootloaders, respectively; by definition they don't have
>> standard BIOS.
>
> I see thanks, I ask as I'm currently removing a pnpbios replacing a
> paravirt_enabled() check to a more general disable pnpbios x86 platform quirk
> option, so far lguest and xen would use it but it would seem to me it was
> worthy to ask if if MID and CE4100 subarchs also could have this set as well
> then.
>
> It sounds like then at least for Intel MID I can disable pnpbios as well
> as a quirk as well. I can introduce that change separately in my series.
>
> What about CE4100 ?
>
The same, I am pretty sure.
-hpa
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^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2016-04-04 18:43 UTC | newest]
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2016-03-31 20:03 Intel MID / CE4100 - platform support - pnpbios support ? Luis R. Rodriguez
2016-04-04 16:01 ` H. Peter Anvin
2016-04-04 18:24 ` Luis R. Rodriguez
2016-04-04 18:43 ` H. Peter Anvin
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