Re: [Xen-devel] pci-passthrough and shared interrupts

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Wed, Sep 29, 2010 at 07:14:11PM -0700, Ritu kaur wrote:
> Konrad/All,
> 
> I have been asked to look into the option of using pvops kernel(which do not
> have pci-passthrough + shared interrupts issue) and needed some inputs

I think you are confused. The PVOPS kernel does have all these patches..
> 
> 1. Does pvops run on Fedora Core or any specific distributions I need to
> use?
> 2. Does it have some form of gui interface to control/manage domU's

PVOPS is the *kernel*. Nothing else. You should be able to take, say XCP,
and replace the kernel with the PVOPS kernel if you want too.


> 
> Inputs/Pointers much appreciated.
> 
> Thanks
> 
> On Fri, Aug 27, 2010 at 7:03 AM, Konrad Rzeszutek Wilk <
> konrad.wilk@xxxxxxxxxx> wrote:
> 
> > On Thu, Aug 26, 2010 at 03:58:15PM -0700, Ritu kaur wrote:
> > > Thanks Konrad,
> > >
> > > I went to git repository for xen/next and found following two fixes for
> > > shared irq
> > > *2010-03-08* Weidong
> > > Han<
> > http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=search;h=xen/next;s=Weidong+Han;st=author
> > >xen/apic:
> > > fix shared irq device passthrough
> > > <
> > http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=commit;h=c7e3389a39a2404106a6808cca7ff698427f5f8f
> > >xen/apic:
> > > fix shared irq device passthrough
> > > commit<
> > http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=commit;h=c7e3389a39a2404106a6808cca7ff698427f5f8f
> > >|
> > > commitdiff<
> > http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=commitdiff;h=c7e3389a39a2404106a6808cca7ff698427f5f8f
> > >|
> > > tree<
> > http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=tree;h=66e1c9a1f8d27fe5fbcba84c303aff30f347fa99;hb=c7e3389a39a2404106a6808cca7ff698427f5f8f
> > >
> > > *2010-03-02* Konrad Rzeszutek...
> > > <
> > http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=search;h=xen/next;s=Konrad+Rzeszutek+Wilk;st=author
> > >xen/apic:
> > > fix shared irq device passthrough
> > > <
> > http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=commit;h=a18fb8d2cb74868917da047ab6cc076b3773bae2
> > >xen/apic:
> > > fix shared irq device passthrough
> > > commit<
> > http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=commit;h=a18fb8d2cb74868917da047ab6cc076b3773bae2
> > >|
> > > commitdiff<
> > http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=commitdiff;h=a18fb8d2cb74868917da047ab6cc076b3773bae2
> > >|
> > > tree<
> > http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=tree;h=725a6938f301670d172fbed53995fe2a5e7c4765;hb=a18fb8d2cb74868917da047ab6cc076b3773bae2
> > >
> >
> > You also need the patches in the drivers/xen/pciback directory.
> >
> > Jeremy has been pulling those out of my git tree:
> > git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.gitpv/pciback-2.6.32
> > >
> > > I believe these are the only changes I need to backport to xcp?
> > >
> > > Regarding the nic, it was just a clarification I needed. Its a regular
> > 10G
> > > nic which is being co-developed along with qlogic.
> >
> > Don't worry about it. It will do MSIs.
> >

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