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From: | Anthony Liguori |
Subject: | Re: [Qemu-devel] Re: [PATCH 3/3] Add KVM support to QEMU |
Date: | Wed, 29 Oct 2008 09:23:53 -0500 |
User-agent: | Thunderbird 2.0.0.17 (X11/20080925) |
Fabrice Bellard wrote:
Avi Kivity wrote:Hollis Blanchard wrote:Out of curiosity, where are those places?local apic -- needs to access interrupt disable flag acpi sleep -- halts the current processor, so tied to cpustate vmport -- bad ABI requires access to registersThese accesses are the exception and should be done with specific CPU methods. IMHO, direct access to the CPU state should otherwise never be done from devices.
Yes, this is what I'm working on now.There are also non-devices that access CPUState but they are also special cases (gdbstub, monitor, save/restore).
Regards, Anthony Liguori
Regards, Fabrice.
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