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Re: [Qemu-devel] [PATCH 10/21] Advertise pci irqs as active high in DSDT
From: |
Gleb Natapov |
Subject: |
Re: [Qemu-devel] [PATCH 10/21] Advertise pci irqs as active high in DSDT |
Date: |
Fri, 9 Oct 2009 13:37:39 +0200 |
On Fri, Oct 09, 2009 at 11:56:14AM +0100, Jamie Lokier wrote:
> Gleb Natapov wrote:
> > Now that kvm emulates the ioapic polarity correctly, we must describe
> > the polarity correctly in the acpi tables. Otherwise pci interrupts won't
> > be delivered correctly.
>
> In another thread recently, wasn't it mentioned that the in-kernel
> ioapic handles polarity correctly but the out-of-kernel ioapic does
> not yet?
>
Correct and that is why out-of-kernel doesn't care about polarity. It
just ignores the bit. So for in-kernel ioapic to work you need this
change and it is nop for out-of-kernel one
--
Gleb.
- [Qemu-devel] [PATCH 04/21] Correct default pci irq links, (continued)
- [Qemu-devel] [PATCH 04/21] Correct default pci irq links, Gleb Natapov, 2009/10/08
- [Qemu-devel] [PATCH v2 01/21] Add support for passing additional acpi tables from qemu., Gleb Natapov, 2009/10/08
- [Qemu-devel] [PATCH 08/21] Add rule to compile DSDT to make file., Gleb Natapov, 2009/10/08
- [Qemu-devel] [PATCH 07/21] Remove CONFIG_KVM compile option., Gleb Natapov, 2009/10/08
- [Qemu-devel] [PATCH 06/21] Check at runtime if VM is KVM., Gleb Natapov, 2009/10/08
- [Qemu-devel] [PATCH 12/21] Use extended interrupt descriptor for pci irqs., Gleb Natapov, 2009/10/08
- [Qemu-devel] [PATCH v2 02/21] Load SMBIOS entries and files from qemu, Gleb Natapov, 2009/10/08
- [Qemu-devel] [PATCH 15/21] Pci hotplug support., Gleb Natapov, 2009/10/08
- [Qemu-devel] [PATCH 10/21] Advertise pci irqs as active high in DSDT, Gleb Natapov, 2009/10/08
- [Qemu-devel] [PATCH 05/21] irq0override provided by qemu., Gleb Natapov, 2009/10/08
- [Qemu-devel] [PATCH 14/21] Provide gpe _L0x methods., Gleb Natapov, 2009/10/08
- [Qemu-devel] [PATCH 16/21] HPET support., Gleb Natapov, 2009/10/08
- [Qemu-devel] [PATCH 09/21] Use preprocessor for pci link routing., Gleb Natapov, 2009/10/08
- [Qemu-devel] [PATCH 17/21] Add 26 pci slots, bringing the total to 32., Gleb Natapov, 2009/10/08
- [Qemu-devel] [PATCH 18/21] Add SRAT ACPI table support., Gleb Natapov, 2009/10/08
- [Qemu-devel] [PATCH 21/21] Use MaxCountCPUs during building of per cpu tables., Gleb Natapov, 2009/10/08