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Re: [Qemu-devel] [PATCH v5 07/16] apic: Open-code timer save/restore

From: Anthony Liguori
Subject: Re: [Qemu-devel] [PATCH v5 07/16] apic: Open-code timer save/restore
Date: Mon, 19 Dec 2011 16:21:47 -0600
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20110922 Lightning/1.0b2 Thunderbird/3.1.15

On 12/15/2011 06:33 AM, Jan Kiszka wrote:
To enable migration between accelerated and non-accelerated APIC models,
we will need to handle the timer saving and restoring specially and can
no longer rely on the automatics of VMSTATE_TIMER. Specifically,
accelerated model will not start any QEMUTimer.

This patch therefore factors out the generic bits into apic_next_timer
and introduces a post-load callback that can be implemented differently
by both models.

Signed-off-by: Jan Kiszka<address@hidden>

So you basically want the timer to be a dummy field for the in-kernel apic?

Can you fix this up in a pre-save routine (put QEMUTimer into a state where there isn't an event pending)?


Anthony Liguori

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