From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Jiang Liu <jiang.liu@linux.intel.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
Date: Tue, 20 Jan 2015 14:12:42 -0500 [thread overview]
Message-ID: <20150120191242.GC13409@l.oracle.com> (raw)
In-Reply-To: <54BC8AF4.6010504@linux.intel.com>
On Mon, Jan 19, 2015 at 12:41:24PM +0800, Jiang Liu wrote:
>
> 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?
Yes for this particular use case. I hadn't yet tried to push the ACPI buttons
(this printout was from an server in a basement).
> Thanks!
> Gerry
next prev parent reply other threads:[~2015-01-20 19:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1421204979-30619-1-git-send-email-jiang.liu@linux.intel.com>
[not found] ` <1421327077-19894-1-git-send-email-jiang.liu@linux.intel.com>
2015-01-15 13:04 ` [Bugfix v4 1/2] xen/pci: Fix xen IRQ allocation failure caused by commit b81975eade8c Jiang Liu
2015-01-16 18:13 ` Konrad Rzeszutek Wilk
2015-01-19 4:39 ` Jiang Liu
2015-01-19 4:41 ` Jiang Liu
2015-01-20 19:12 ` Konrad Rzeszutek Wilk [this message]
2015-01-15 13:04 ` [Bugfix v4 2/2] xen/pci: Simplify x86/pci/xen.c by killing gsi_override related code Jiang Liu
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