Hi, 

It was some problem to ACPI interrupts delivering to the Windows guests.

This patch fixes this problem and enables the ACPI interrupts.

 

According to 82371AB spec. we need to reset the bit 0 of PIRQRCA register to 
enable interrupt routing.

 

Note: This patch work fine with –no-kvm-irqchip option and I can see the 
interrupt according to the acpi timer expiration ( pm_tmr_timer() ) 

or other acpi events, but without –no-kvm-irqchip option it doesn't work.

I'll try to find the reason and fix it.

I'll appreciate all feedbacks and/or thoughts.

 

 

 Cheers,

            Igor Lvovsky

 

Attachment: acpi-irq.diff
Description: acpi-irq.diff

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