Re: [Bugfix v4 0/2] Fix xen IRQ allocation failure caused by commit b81975eade8c

[Sander Eikelenboom]

Thursday, January 15, 2015, 2:04:34 PM, you wrote:

> With more knowledge of Xen interrupt manangement subsytem, I realized
> previous three versions to fix https://lkml.org/lkml/2014/12/19/178 are
> just plainly wrong. Those patches try to fix the issue by creating
> irqdomain for IOAPICs for PV domains, which effectively let native
> IOAPIC driver and Xen PV interrupt management subsystem to manage
> IOAPIC irqs concurrently, sounds unpredictable.

> Sorry for those wrong fixes. The good news is that the new fix does
> make code simpler and easier to maintain.

> I have tested the patchset on Intel platform with bare metal and Dom0
> kernels.

> Hi Sander,
>         Could you please help to test it again?

> Regards!
> Gerry

Hi Gerry,

Sure, i will test this afternoon and report back.

Thanks

--
Sander

> Jiang Liu (2):
>   xen/pci: Kill function xen_setup_acpi_sci()
>   xen/pci: Simplify x86/pci/xen.c by killing gsi_override related code

>  arch/x86/kernel/acpi/boot.c |   26 ++++++++---------
>  arch/x86/pci/xen.c          |   68 ++++---------------------------------------
>  2 files changed, 19 insertions(+), 75 deletions(-)


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