Re: [Xen-devel] [PATCH RFC] acpi: don't build acpi tables for xen hvm guests

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, Oct 25, 2016 at 04:33:03PM -0700, Stefano Stabellini wrote:
> CC'ing maintainers
> 
> On Tue, 25 Oct 2016, Wei Liu wrote:
> > Xen's toolstack is in charge of building ACPI tables. Skip acpi table
> > building if running on Xen.
> > 
> > This issue is discovered due to direct kernel boot on Xen doesn't boot
> > anymore, because the new ACPI tables cause the guest to exceed its
> > memory allocation limit.
> > 
> > Reported-by: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>
> > Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> 
> Hi Wei,
> thanks for the patch. I think the right fix is to set
> 
> pcmc->has_acpi_build = false
> 
> for the xenfv machine and for the PC machine when accel=xen.
> 
> Thoughts?
> 

This sounds like a better idea to me.

Wei.

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