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From: | Avi Kivity |
Subject: | Re: [Qemu-devel] [PATCH 2/2] Add code to override IRQ 0 to INTI 2 |
Date: | Mon, 27 Oct 2008 21:48:59 +0200 |
User-agent: | Thunderbird 2.0.0.16 (X11/20080723) |
Beth Kon wrote:
This patch, provided by Anthony Liguori, maps IRQ0 to INTI2.
This will cause problems for kvm, which maps interrupts 1:1 without exceptions. While we could add support for remapping, it would mean that older kernels would not be able to support an hpet.
Isn't it possible to connect the hpet to pic irq 2 and ioapic irq 2, maintaining the 1:1 mapping?
(what's irq 2 connected to now?) -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.
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