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Date:	Mon, 14 Jul 2014 13:26:42 -0400
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Jiang Liu <jiang.liu@...ux.intel.com>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Randy Dunlap <rdunlap@...radead.org>,
	Yinghai Lu <yinghai@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tony Luck <tony.luck@...el.com>,
	Joerg Roedel <joro@...tes.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	x86@...nel.org, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: [Patch V3 00/16] Enable support of IOAPIC hotplug on x86
 platforms

On Wed, Jun 25, 2014 at 04:40:31PM +0800, Jiang Liu wrote:
> This patch set enhances IOAPIC core and ACPI drivers to support IOAPIC
> hotplug on x86 platforms. It's based on tip/x86/apic.
> 
> You may pull it from 
> https://github.com/jiangliu/linux.git ioapic/hotplug_v3

With this patchset (on top of 3.16-rc5) my USB driver gets notified
it has interrupts but it thinks it does not have to acknowledge any.
I can only reproduce this under a 32-bit arch so far.

Please see the good.log and the bad.log 

View attachment "good.log" of type "text/plain" (132034 bytes)

View attachment "bad.log" of type "text/plain" (117895 bytes)

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