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Date:	Wed, 16 Jul 2014 11:01:45 +0800
From:	Jiang Liu <>
To:	Konrad Rzeszutek Wilk <>
CC:	Benjamin Herrenschmidt <>,
	Thomas Gleixner <>,
	Ingo Molnar <>,
	"H. Peter Anvin" <>,
	"Rafael J. Wysocki" <>,
	Bjorn Helgaas <>,
	Randy Dunlap <>,
	Yinghai Lu <>,
	Andrew Morton <>,
	Tony Luck <>,
	Joerg Roedel <>,
	Greg Kroah-Hartman <>,,,,
Subject: Re: [Patch V3 00/16] Enable support of IOAPIC hotplug on x86 platforms

Hi Konrad,
	We have found the root cause with your great support. If BIOS
assigns an IRQ number for a PCI device, acpi_pci_irq_enable() fails to
assign IOAPIC IRQ then due to the check:
        if (dev->irq > 0)
                return 0;
	For a quick workaround, just comment out above check. But we
need some time to figure out a clean fixup for it. We will send out new
version once it gets resolved.
	Thanks for your great help again.
On 2014/7/16 0:10, Konrad Rzeszutek Wilk wrote:
> already assigned IRQ
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