Re: [Xen-devel] [PATCH][VT] Clear the pending interrupt on shared page when PIC initialized

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 12 Sep 2005, at 12:11, Jiang, Yunhong wrote:

> This patch works for following scenerio:
> 1) The BIOS set the irq base to 0x20, and then interrupt is injected
> through shared page.
> 2) The OS disable interurpt , and reset the PIC with ICW1~ICW4. In this
> process, it changes the irq base for PIC from 0x20 to 0x30 through 
> ICW2.
Okay, thanks for the clarification and I see why the PIT bart is needed 
now. But, in the PIC code, wouldn't hanging the reset off of 
cpu_reset_interrupt() make more sense?
 -- Keir


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