From: Anthony Liguori <anthony@codemonkey.ws>
To: qemu-devel@nongnu.org
Cc: Glauber Costa <glommer@redhat.com>,
hollis@alumni.cmu.edu, Gerd Hoffmann <kraxel@redhat.com>,
kvm-devel <kvm@vger.kernel.org>
Subject: Re: [Qemu-devel] Re: [PATCH 3/3] Add KVM support to QEMU
Date: Wed, 29 Oct 2008 09:23:53 -0500 [thread overview]
Message-ID: <490871F9.3010801@codemonkey.ws> (raw)
In-Reply-To: <49087029.9020100@bellard.org>
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 registers
>>
>
> These 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.
>
>
>
>
next prev parent reply other threads:[~2008-10-29 14:24 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-28 20:13 [PATCH 1/3] Add additional CPU flag definitions Anthony Liguori
2008-10-28 20:13 ` [Qemu-devel] " Anthony Liguori
2008-10-28 20:13 ` [PATCH 2/3] Split CPUID from op_helper Anthony Liguori
2008-10-28 20:13 ` [Qemu-devel] " Anthony Liguori
2008-10-28 20:13 ` [PATCH 3/3] Add KVM support to QEMU Anthony Liguori
2008-10-28 20:13 ` [Qemu-devel] " Anthony Liguori
2008-10-28 20:49 ` Hollis Blanchard
2008-10-28 20:49 ` Hollis Blanchard
2008-10-28 20:49 ` Hollis Blanchard
[not found] ` <fb412d760810281349q2572acf0j4a3f5eff9e8a55a4-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-10-28 21:10 ` Anthony Liguori
2008-10-28 21:10 ` Anthony Liguori
2008-10-28 21:10 ` Anthony Liguori
2008-10-28 20:57 ` Andreas Färber
2008-10-28 21:04 ` Glauber Costa
2008-10-28 21:16 ` Anthony Liguori
2008-10-28 21:05 ` Anthony Liguori
2008-11-04 13:25 ` Avi Kivity
2008-10-28 21:41 ` Gerd Hoffmann
2008-10-28 21:41 ` [Qemu-devel] " Gerd Hoffmann
2008-10-28 21:51 ` Anthony Liguori
2008-10-28 21:51 ` [Qemu-devel] " Anthony Liguori
2008-10-28 23:04 ` Glauber Costa
2008-10-28 23:04 ` Glauber Costa
2008-10-28 23:36 ` Anthony Liguori
2008-10-28 23:36 ` Anthony Liguori
2008-10-29 9:54 ` Avi Kivity
2008-10-29 9:54 ` Avi Kivity
2008-10-29 12:35 ` Glauber Costa
2008-10-29 12:35 ` Glauber Costa
2008-10-29 12:39 ` Avi Kivity
2008-10-29 12:39 ` Avi Kivity
2008-10-29 12:56 ` Glauber Costa
2008-10-29 12:56 ` Glauber Costa
2008-10-29 13:07 ` Anthony Liguori
2008-10-29 13:07 ` Anthony Liguori
2008-10-29 13:23 ` Avi Kivity
2008-10-29 13:23 ` Avi Kivity
2008-10-29 13:32 ` Anthony Liguori
2008-10-29 13:32 ` Anthony Liguori
2008-10-29 13:51 ` Hollis Blanchard
2008-10-29 14:09 ` Avi Kivity
2008-10-29 14:09 ` Avi Kivity
2008-10-29 14:16 ` Fabrice Bellard
2008-10-29 14:16 ` [Qemu-devel] " Fabrice Bellard
2008-10-29 14:23 ` Anthony Liguori [this message]
2008-10-29 19:13 ` Blue Swirl
2008-10-29 19:13 ` Blue Swirl
2008-11-01 16:25 ` Blue Swirl
2008-11-01 16:25 ` Blue Swirl
2008-10-29 14:58 ` Glauber Costa
2008-10-29 14:58 ` [Qemu-devel] " Glauber Costa
2008-10-29 17:41 ` Glauber Costa
2008-10-29 17:41 ` [Qemu-devel] " Glauber Costa
2008-10-29 19:01 ` Anthony Liguori
2008-10-29 19:01 ` [Qemu-devel] " Anthony Liguori
2008-11-04 13:24 ` Avi Kivity
2008-11-04 13:24 ` [Qemu-devel] " Avi Kivity
2008-11-04 14:02 ` Anthony Liguori
2008-11-04 14:02 ` [Qemu-devel] " Anthony Liguori
2008-11-04 14:46 ` Avi Kivity
2008-11-04 14:46 ` [Qemu-devel] " Avi Kivity
2008-11-04 14:50 ` Anthony Liguori
2008-11-04 14:50 ` [Qemu-devel] " Anthony Liguori
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