Messages in this thread | | | Date | Thu, 12 Apr 2012 19:09:54 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [v3.4-rc1] ACPI regression bisected |
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On Thu, 12 Apr 2012, Thomas Gleixner wrote:
> On Thu, 12 Apr 2012, Matthew Garrett wrote: > > > On Thu, Apr 12, 2012 at 10:57:45AM +0200, Thomas Gleixner wrote: > > > > > OK, so now the question is whether the ACPI interrupt can end up being > > > shared or not. > > > > Per spec: > > > > "OSPM is required to treat the ACPI SCI interrupt as a sharable, level, > > active low interrupt." > > I feared that. So now is the question whether there is a way to mask > the interrupt at the "device" level.
If not, I could be persuaded to provide a mechanism to force thread all interrupts which are on that line, if there's a good argument to do so.
All machines in my farm do not share the line, so I guess it's only relevant when you boot with apic disabled or such.
Thanks,
tglx
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