From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-pci-owner@vger.kernel.org>
Received: from mga14.intel.com ([192.55.52.115]:13310 "EHLO mga14.intel.com"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1751185AbbASEl3 (ORCPT <rfc822;linux-pci@vger.kernel.org>);
	Sun, 18 Jan 2015 23:41:29 -0500
Message-ID: <54BC8AF4.6010504@linux.intel.com>
Date: Mon, 19 Jan 2015 12:41:24 +0800
From: Jiang Liu <jiang.liu@linux.intel.com>
MIME-Version: 1.0
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
CC: Sander Eikelenboom <linux@eikelenboom.it>,
	David Vrabel <david.vrabel@citrix.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Bjorn Helgaas <bhelgaas@google.com>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>,
	Ingo Molnar <mingo@redhat.com>,
	"H. Peter Anvin" <hpa@zytor.com>, x86@kernel.org,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	Tony Luck <tony.luck@intel.com>, linux-kernel@vger.kernel.org,
	linux-pm@vger.kernel.org, xen-devel@lists.xenproject.org,
	linux-pci@vger.kernel.org
Subject: Re: [Bugfix v4 1/2] xen/pci: Fix xen IRQ allocation failure caused
 by commit b81975eade8c
References: <1421204979-30619-1-git-send-email-jiang.liu@linux.intel.com> <1421327077-19894-1-git-send-email-jiang.liu@linux.intel.com> <1421327077-19894-2-git-send-email-jiang.liu@linux.intel.com> <20150116181318.GA22690@l.oracle.com>
In-Reply-To: <20150116181318.GA22690@l.oracle.com>
Content-Type: text/plain; charset=windows-1252
Sender: linux-pci-owner@vger.kernel.org
List-ID: <linux-pci.vger.kernel.org>


On 2015/1/17 2:13, Konrad Rzeszutek Wilk wrote:
> On Thu, Jan 15, 2015 at 09:04:35PM +0800, Jiang Liu wrote:
<snit>
>>
>> Note: we need to test this patch on those special AMD systems which
>> override normal SCI GSI (9) with strange GSI (20).
> 
> [    0.000000] DMI: Supermicro X8DTN/X8DTN, BIOS 2.1c       10/28/2011
> ..
>      0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> [    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 20 low level)
> [    0.000000] ACPI: IRQ0 used by override.
> ..
>     6.358737] xen: registering gsi 20 triggering 0 polarity 1
> [    6.358756] xen: --> pirq=20 -> irq=20 (gsi=20)
> ...
> -bash-4.1# cat /proc/interrupts |grep acpi
>  20:          0          0          0  xen-pirq-ioapic-level  acpi
Hi Konrad,
	May I assume an Tested-by from you here?
Thanks!
Gerry