lkml.org 
[lkml]   [2014]   [Feb]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: AW: AW: [PATCH] x86: HPET force enable for Soekris net6501
On Fri, 14 Feb 2014, H. Peter Anvin wrote:
> On 02/14/2014 11:59 AM, Thomas Gleixner wrote:
> > On Fri, 14 Feb 2014, H. Peter Anvin wrote:
> >> On 02/14/2014 11:15 AM, Thomas Gleixner wrote:
> >>> I'm fine with ACPI tables if we can provide simple means for embedded
> >>> users to load one via grub or just attach it to the kernel image.
> >>
> >> That already exists, see Documentation/acpi/initrd_table_override.txt.
> >
> > That requires, that you have already ACPI tables.
> >
> > ACPI_SIG_RSDP cannot be overridden and that's the base table you need
> > to get ACPI going in the first place. So we need support for that and
> > probably for storing the tables at some non canonical place.
> >
>
> Well, the RSDP and RSDT/XSDT are nothing but pointers to other tables,
> so if explicitly overridden I'm not sure if one actually would need
> them. That doesn't mean our current code will work without them, though.

I tried once to overload all of the tables, but failed miserably in
the ACPI dungeon. RSDP was the major pain point IIRC.

Thanks,

tglx



\
 
 \ /
  Last update: 2014-02-14 22:41    [W:0.220 / U:0.020 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site