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From: Peter Lieven <pl@kamp.de>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] Prohibit Windows from running in QEMU
Date: Tue, 29 Oct 2013 11:50:28 +0100	[thread overview]
Message-ID: <526F92F4.8080406@kamp.de> (raw)
In-Reply-To: <526F927D.1050901@redhat.com>

On 29.10.2013 11:48, Paolo Bonzini wrote:
> Il 29/10/2013 11:40, Peter Lieven ha scritto:
>>> The KVM signature should be at CPUID leaf 0x40000100.
>> If I enable hyperv for all vServers the signature is at
>> KVM_CPUID_SIGNATURE_NEXT (0x40000100) otherwise
>> at KVM_CPUID_SIGNATURE (0x0).
> KVM_CPU_ID_SIGNATURE is 0x40000000.
>
>> Does this matter to Linux?
> For recent versions it doesn't.  Older versions will not be able to use
> kvmclock (and other PV enhancements for KVM such as steal time or PV EOI).
Ok, so this is not an option today - maybe later...

Any other idea to detect Windows is running or trying to start?

Thanks,
Peter

  reply	other threads:[~2013-10-29 10:50 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-29  9:48 [Qemu-devel] Prohibit Windows from running in QEMU Peter Lieven
2013-10-29  9:59 ` Paolo Bonzini
2013-10-29 10:11   ` Peter Lieven
2013-10-29 10:19     ` Paolo Bonzini
2013-10-29 10:25       ` Gleb Natapov
2013-10-29 10:40       ` Peter Lieven
2013-10-29 10:48         ` Paolo Bonzini
2013-10-29 10:50           ` Peter Lieven [this message]
2013-10-29 14:12             ` Laszlo Ersek
2013-10-29 15:55               ` BALATON Zoltan
2013-10-29 16:00                 ` Paolo Bonzini
2013-10-29 16:29                   ` Peter Lieven
2017-08-04  9:58   ` Peter Lieven
2017-08-04 10:23     ` Paolo Bonzini
2017-08-04 10:27       ` Peter Lieven
2017-08-04 10:43         ` Paolo Bonzini
2017-08-04 10:44           ` Peter Lieven
2013-10-29 11:13 ` Michael S. Tsirkin
2013-10-29 11:26   ` Gleb Natapov
2013-10-29 11:31     ` Peter Lieven
2013-10-29 11:34       ` Gleb Natapov
2013-10-29 12:17     ` Michael S. Tsirkin
2013-10-29 12:20       ` Gleb Natapov
2013-10-30  0:16   ` Li Guang
2013-10-29 11:47 ` Daniel P. Berrange

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