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From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] [PATCH 16/16] hpet: Add MSI support
Date: Fri, 11 Jun 2010 22:31:31 +0100
References: <cover.1275811861.git.jan.kiszka@web.de>
	<086631bfe97458f12d1e4adbc3585483dc7e178f.1275811861.git.jan.kiszka@web.de>
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To: qemu-devel@nongnu.org
Cc: blue Swirl <blauwirbel@gmail.com>, Jan Kiszka <jan.kiszka@siemens.com>, Jan Kiszka <jan.kiszka@web.de>, Gleb Natapov <gleb@redhat.com>, Juan Quintela <quintela@redhat.com>

> +    } else if (timer_fsb_route(timer)) {
> +        apic_send_msi(timer->fsb >> 32, timer->fsb & 0xffffffff);

This should use a regular memory write, like the PCI MSI-X code does.

Paul