Re: [stable] [PATCH] x86: Reserve FIRST_DEVICE_VECTOR inused_vectors bitmap

From: Greg KH
Date: Fri Oct 10 2008 - 16:45:42 EST


On Fri, Oct 10, 2008 at 01:35:48PM -0700, H. Peter Anvin wrote:
> Greg KH wrote:
>> Is there a problem with being assigned to IRQ0 in situations like this?
>
> On PCs, IRQ 0 is dedicated to use for the PIT.

Ah, I didn't realize it couldn't be shared.

thanks,

greg k-h
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