[Intel-gfx] Patch for testing irq spinning
tom at dbservice.com
Thu Dec 4 06:43:03 PST 2008
On 12/04/2008 05:16 AM, Keith Packard wrote:
> On Thu, 2008-12-04 at 02:44 +0100, Pierre Willenbrock wrote:
>> Not looping in the irq-handler seems to work (so far, at least).
> Excellent. Looping should only be required when using MSI. Let's try to
> get a few more people to report back before we claim 'success' here
> though; the disadvantage of not looping is that we may lockup due to
> missing an interrupt. We've only seen missing interrupts in MSI mode.
Should I apply both patches or only the second one (the one that adds
the 'break;')? I applied both and I was still getting the IRQ storms.
This is also on a GM965.
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