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Re: [Qemu-devel] [PATCH for-2.0] acpi: Fixed incorrect ACPI generation f
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH for-2.0] acpi: Fixed incorrect ACPI generation for pci bridges |
Date: |
Thu, 27 Mar 2014 17:45:30 +0200 |
On Thu, Mar 27, 2014 at 05:35:36PM +0200, Marcel Apfelbaum wrote:
> Commit 8dcf525abc5dff785251a881f9764dd961065c0d appended
> description for all occupied non hotpluggable PCI slots.
> However the bridge devices are already added to SSDT,
> adding them again will create an incorrect SSDT table.
>
> Fixed by skipping the pci bridge devices, marking them as 'system'.
>
> Signed-off-by: Marcel Apfelbaum <address@hidden>
Applied.
I tweaked the commit log and comment a bit.
> ---
> hw/i386/acpi-build.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
> index 7ecfd70..60abb57 100644
> --- a/hw/i386/acpi-build.c
> +++ b/hw/i386/acpi-build.c
> @@ -841,7 +841,8 @@ static void build_pci_bus_end(PCIBus *bus, void
> *bus_state)
> pc = PCI_DEVICE_GET_CLASS(pdev);
> dc = DEVICE_GET_CLASS(pdev);
>
> - if (pc->class_id == PCI_CLASS_BRIDGE_ISA) {
> + if (pc->class_id == PCI_CLASS_BRIDGE_ISA ||
> + pc->is_bridge) { /* DSDT or SSDT above */
> set_bit(slot, slot_device_system);
> }
>
> --
> 1.8.3.1