From: Paolo Bonzini <pbonzini@redhat.com>
To: Peter Lieven <pl@kamp.de>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] Prohibit Windows from running in QEMU
Date: Tue, 29 Oct 2013 11:48:29 +0100 [thread overview]
Message-ID: <526F927D.1050901@redhat.com> (raw)
In-Reply-To: <526F909A.8000004@kamp.de>
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).
Paolo
next prev parent reply other threads:[~2013-10-29 10:48 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 [this message]
2013-10-29 10:50 ` Peter Lieven
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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