On Mon, Jan 18, 2010 at 02:08:40PM +0200, Avi Kivity wrote:
> On 01/18/2010 02:03 PM, Gleb Natapov wrote:
> >
> >>We should certainly fix it, but I doubt it's a good fit for the stable tree.
> >>
> >>Gleb, what would it take?
> >I have no idea about what causes segfault, so can't really tell how
> >invasive fix would be, but fixing segfault is not enough we will have to
> >backport BIOS code to seabios and IMO this code is too much for stable.
>
> I was asking about the BIOS code. Can you point me at it?
>
This is majority of AML part of it:
http://git.kernel.org/?p=virt/kvm/pcbios.git;a=blob;f=acpi-ssdt.dsl;h=d998867d70b6384c1f40356b9dd8a06b78b59022;hb=master
Seabios should be changed to allocate MADT table from memory that will
be marked as ACPI NVS in e820 and it should pass MADT table address into
AML code somehow (BOCH bios put it at address 0x0514 and AML read it
from there).
Note also that currently seabios created this SSDT dynamically and thus
can support any number of vcpus, by porting those changes we will limit
it to 15 vpus.
--
Gleb.
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