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

From: Bjorn Helgaas
Date: Thu Apr 04 2013 - 10:57:33 EST


On Thu, Apr 4, 2013 at 8:50 AM, Neil Horman <nhorman@xxxxxxxxxxxxx> 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 "This system BIOS has enabled interrupt remapping\n"
>> > > + "on a chipset that contains an errata making that\n"
>> > > + "feature unstable. Please reboot with nointremap\n"
>> > > + "added to the kernel command line and contact\n"
>> > > + "your BIOS vendor for an update");
>>
>> This should be WARN_TAINT(TAINT_FIRMWARE_WORKAROUND). And 'an erratum'.
>>
> Ok, copy that. I'll repost shortly

When you do, please include URLs for any problem reports or bugzillas you have.

I assume Windows "just works" in this situation?
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