Re: [PATCH v2] irq: add quirk for broken interrupt remapping on 55XX chipsets

2013-04-04 Thread Neil Horman
On Thu, Apr 04, 2013 at 12:41:27PM -0600, Bjorn Helgaas wrote: > On Thu, Apr 4, 2013 at 11:51 AM, Neil Horman wrote: > > > Oh, you want the bug report that I'm fixing this against? Sure, I can do > > that. > > I thought you wanted me to include a url in the WARN_TAINT, with which user > > could

Re: [PATCH v2] irq: add quirk for broken interrupt remapping on 55XX chipsets

2013-04-04 Thread Bjorn Helgaas
On Thu, Apr 4, 2013 at 11:51 AM, Neil Horman wrote: > Oh, you want the bug report that I'm fixing this against? Sure, I can do > that. > I thought you wanted me to include a url in the WARN_TAINT, with which user > could report occurances of this bug. Yeah, the bug that this is reported in >

Re: [PATCH v2] irq: add quirk for broken interrupt remapping on 55XX chipsets

2013-04-04 Thread Neil Horman
On Thu, Apr 04, 2013 at 11:14:30AM -0600, Bjorn Helgaas wrote: > On Thu, Apr 4, 2013 at 9:39 AM, Neil Horman wrote: > > On Thu, Apr 04, 2013 at 08:57:06AM -0600, Bjorn Helgaas wrote: > >> On Thu, Apr 4, 2013 at 8:50 AM, Neil Horman wrote: > >> > On Thu, Apr 04, 2013 at 03:27:29PM +0100, David Woo

Re: [PATCH v2] irq: add quirk for broken interrupt remapping on 55XX chipsets

2013-04-04 Thread Bjorn Helgaas
On Thu, Apr 4, 2013 at 9:39 AM, Neil Horman wrote: > On Thu, Apr 04, 2013 at 08:57:06AM -0600, Bjorn Helgaas wrote: >> On Thu, Apr 4, 2013 at 8:50 AM, Neil Horman wrote: >> > On Thu, Apr 04, 2013 at 03:27:29PM +0100, David Woodhouse wrote: >> >> On Wed, 2013-04-03 at 17:53 -0600, Bjorn Helgaas wr

Re: [PATCH v2] irq: add quirk for broken interrupt remapping on 55XX chipsets

2013-04-04 Thread Neil Horman
On Thu, Apr 04, 2013 at 08:57:06AM -0600, Bjorn Helgaas wrote: > On Thu, Apr 4, 2013 at 8:50 AM, Neil Horman wrote: > > On Thu, Apr 04, 2013 at 03:27:29PM +0100, David Woodhouse wrote: > >> On Wed, 2013-04-03 at 17:53 -0600, Bjorn Helgaas wrote: > >> > ); > >> > > + > >> > > + if ((revision

Re: [PATCH v2] irq: add quirk for broken interrupt remapping on 55XX chipsets

2013-04-04 Thread Bjorn Helgaas
On Thu, Apr 4, 2013 at 8:50 AM, Neil Horman wrote: > On Thu, Apr 04, 2013 at 03:27:29PM +0100, David Woodhouse wrote: >> On Wed, 2013-04-03 at 17:53 -0600, Bjorn Helgaas wrote: >> > ); >> > > + >> > > + if ((revision == 0x13) && irq_remapping_enabled) { >> > > +pr_warn(HW_ERR

Re: [PATCH v2] irq: add quirk for broken interrupt remapping on 55XX chipsets

2013-04-04 Thread Neil Horman
On Thu, Apr 04, 2013 at 03:27:29PM +0100, David Woodhouse wrote: > On Wed, 2013-04-03 at 17:53 -0600, Bjorn Helgaas wrote: > > ); > > > + > > > + if ((revision == 0x13) && irq_remapping_enabled) { > > > +pr_warn(HW_ERR "This system BIOS has enabled interrupt > > > remapping\n

Re: [PATCH v2] irq: add quirk for broken interrupt remapping on 55XX chipsets

2013-04-04 Thread David Woodhouse
On Wed, 2013-04-03 at 17:53 -0600, Bjorn Helgaas wrote: > ); > > + > > + if ((revision == 0x13) && irq_remapping_enabled) { > > +pr_warn(HW_ERR "This system BIOS has enabled interrupt > > remapping\n" > > +"on a chipset that contains an errata making

Re: [PATCH v2] irq: add quirk for broken interrupt remapping on 55XX chipsets

2013-04-04 Thread Neil Horman
On Wed, Apr 03, 2013 at 05:53:27PM -0600, Bjorn Helgaas wrote: > [+cc David and iommu list, Yinghai, Jiang] > > On Mon, Mar 4, 2013 at 12:04 PM, Neil Horman wrote: > > A few years back intel published a spec update: > > http://www.intel.com/content/dam/doc/specification-update/5520-and-5500-chips

Re: [PATCH v2] irq: add quirk for broken interrupt remapping on 55XX chipsets

2013-04-03 Thread Bjorn Helgaas
[+cc David and iommu list, Yinghai, Jiang] On Mon, Mar 4, 2013 at 12:04 PM, Neil Horman wrote: > A few years back intel published a spec update: > http://www.intel.com/content/dam/doc/specification-update/5520-and-5500-chipset-ioh-specification-update.pdf > > For the 5520 and 5500 chipsets which