Messages in this thread | | | Date | Thu, 15 Jan 2015 22:37:02 +0800 | From | Jiang Liu <> | Subject | Re: [Bugfix v4 0/2] Fix xen IRQ allocation failure caused by commit b81975eade8c |
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On 2015/1/15 22:22, Sander Eikelenboom wrote: > > 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, > > These patches fix the first symptom of the powerbutton not working. > > Unfortunately it doesn't fix the second symptoms with pci-passthrough, > the device still doesn't receive irq's on intel and the video device still haas > issues on AMD. > > What i have tested extensively and works stable for me is: > david's patch + revert of cffe0a2b5a34c95a4dadc9ec7132690a5b0f6687 "x86, irq: Keep balance of IOAPIC pin reference count" > > Hope that helps in finding the solution. Hi Sander, Yes, this is only a fix for power button(ACPI SCI allocation). I'm still reading xen-pciback code to figure out the possible cause and fix for the second issue. Thanks! Gerry.
> > -- > 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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