Re: Xen regression, Was: [PATCH] x86/irq: Probe for PIC presence before allocating descs for legacy IRQs

[Stefano Stabellini]

On Tue, 12 Apr 2016, Boris Ostrovsky wrote:
> On 04/12/2016 05:56 PM, Stefano Stabellini wrote:
> > 
> >   I am not sure, maybe you didn't have CONFIG_SPARSE_IRQ?
> > But I am certain that 4.6-rc2, with the attached config, fails as Dom0
> > on QEMU with the following sequence of calls:
> 
> I did have CONFIG_SPARSE_IRQ and I just rebuilt 4.5.0 with your config
> (4.6-rc3 doesn't build for me for some reason) and that booted dom0 as well.
> 
> BTW, what do you mean by "dom0 on QEMU"?
 
I am running Xen and Linux inside a QEMU x86_64 emulated machine (nested
virt).