Re: [Qemu-devel] Re: [PATCH 0/9] in-kernel irqchip, new spin

2009-12-03 Thread Glauber Costa
On Thu, Dec 3, 2009 at 10:45 AM, Avi Kivity wrote: > On 12/03/2009 02:39 PM, Michael S. Tsirkin wrote: >>> >>> Right now there are no knobs to disable it, since last time I checked, >>> people were inclined to >>> solve that by adding a machine type that does not do irqchip in >>> kernel, if wante

Re: [Qemu-devel] Re: [PATCH 0/9] in-kernel irqchip, new spin

2009-12-03 Thread Avi Kivity
On 12/03/2009 02:39 PM, Michael S. Tsirkin wrote: Right now there are no knobs to disable it, since last time I checked, people were inclined to solve that by adding a machine type that does not do irqchip in kernel, if wanted. Can't everything doable by machine type also doable from comm

Re: [Qemu-devel] Re: [PATCH 0/9] in-kernel irqchip, new spin

2009-12-03 Thread Michael S. Tsirkin
On Thu, Dec 03, 2009 at 10:04:21AM -0200, Glauber Costa wrote: > >> Haven't tested. But since I see that msix need some special code in > >> qemu-kvm, > >> it probably won't. But I assume we can just add a patch ontop of this to > >> add > >> that code and make it work, right? > > > > Sure. Howev

Re: [Qemu-devel] Re: [PATCH 0/9] in-kernel irqchip, new spin

2009-12-03 Thread Glauber Costa
>> Haven't tested. But since I see that msix need some special code in qemu-kvm, >> it probably won't. But I assume we can just add a patch ontop of this to add >> that code and make it work, right? > > Sure. However - are you making in-kernel irqchip the default? > If so, I think the best way to d

Re: [Qemu-devel] Re: [PATCH 0/9] in-kernel irqchip, new spin

2009-12-03 Thread Michael S. Tsirkin
On Thu, Dec 03, 2009 at 09:42:02AM -0200, Glauber Costa wrote: > > > > Does msix work with this patchset when in-kernel irqchip > > is enabled? > > Haven't tested. But since I see that msix need some special code in qemu-kvm, > it probably won't. But I assume we can just add a patch ontop of this

Re: [Qemu-devel] Re: [PATCH 0/9] in-kernel irqchip, new spin

2009-12-03 Thread Glauber Costa
> > Does msix work with this patchset when in-kernel irqchip > is enabled? Haven't tested. But since I see that msix need some special code in qemu-kvm, it probably won't. But I assume we can just add a patch ontop of this to add that code and make it work, right? -- Glauber Costa. "Free as in

[Qemu-devel] Re: [PATCH 0/9] in-kernel irqchip, new spin

2009-12-03 Thread Michael S. Tsirkin
On Wed, Dec 02, 2009 at 11:46:06AM -0200, Glauber Costa wrote: > Avi/Marcelo > > Please include this in a branch in qemu-kvm, for future inclusion > in qemu.git > > This is basically the same thing that was sitting in staging for weeks, > just with a build bug fix on non-x86 hosts. > > Glauber C