From: Jason Wang <jasowang@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
KY Srinivasan <kys@microsoft.com>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"mingo@redhat.com" <mingo@redhat.com>,
"x86@kernel.org" <x86@kernel.org>,
"gleb@redhat.com" <gleb@redhat.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 4/4] x86: properly handle kvm emulation of hyperv
Date: Thu, 25 Jul 2013 16:12:49 +0800 [thread overview]
Message-ID: <51F0DE01.50607@redhat.com> (raw)
In-Reply-To: <51F0DAD1.8080108@redhat.com>
On 07/25/2013 03:59 PM, Paolo Bonzini wrote:
> Il 24/07/2013 23:37, H. Peter Anvin ha scritto:
>> What I'm suggesting is exactly that except that the native hypervisor is later in CPUID space.
> Me too actually.
>
> I was just suggesting an implementation of the idea (that takes into
> account hypervisors detected by other means than CPUID).
>
> Paolo
This make sense, will send V2.
Thanks
>> KY Srinivasan <kys@microsoft.com> wrote:
>>> As Paolo suggested if there were some priority encoded, the guest could make an
>>> informed decision. If the guest under question can run on both hypervisors A and B,
>>> we would rather the guest discover hypervisor A when running on A and
>>> hypervisor B when running on B. The priority encoding could be as simple as
>>> surfacing the native hypervisor signature earlier in the CPUID space.
next prev parent reply other threads:[~2013-07-25 8:13 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-23 9:41 [PATCH 1/4] x86: introduce hypervisor_cpuid_base() Jason Wang
2013-07-23 9:41 ` [PATCH 2/4] xen: switch to use hypervisor_cpuid_base() Jason Wang
2013-07-23 9:41 ` Jason Wang
2013-07-23 11:16 ` Paolo Bonzini
2013-07-23 11:16 ` Paolo Bonzini
2013-07-23 15:55 ` Konrad Rzeszutek Wilk
2013-07-23 15:55 ` Konrad Rzeszutek Wilk
2013-07-23 9:41 ` [PATCH 3/4] kvm: " Jason Wang
2013-07-23 11:16 ` Paolo Bonzini
2013-07-23 9:41 ` [PATCH 4/4] x86: properly handle kvm emulation of hyperv Jason Wang
2013-07-23 11:17 ` Paolo Bonzini
2013-07-23 13:55 ` KY Srinivasan
2013-07-23 14:48 ` H. Peter Anvin
2013-07-23 17:45 ` KY Srinivasan
2013-07-23 18:45 ` H. Peter Anvin
2013-07-23 22:42 ` KY Srinivasan
2013-07-24 4:37 ` Jason Wang
2013-07-24 4:48 ` H. Peter Anvin
2013-07-24 6:54 ` Jason Wang
2013-07-24 7:06 ` Paolo Bonzini
2013-07-24 14:01 ` KY Srinivasan
2013-07-24 15:14 ` H. Peter Anvin
2013-07-24 19:05 ` KY Srinivasan
2013-07-24 19:05 ` KY Srinivasan
2013-07-24 21:37 ` H. Peter Anvin
2013-07-25 7:59 ` Paolo Bonzini
2013-07-25 8:12 ` Jason Wang [this message]
2013-07-23 10:04 ` [PATCH 1/4] x86: introduce hypervisor_cpuid_base() H. Peter Anvin
2013-07-23 11:16 ` Paolo Bonzini
2013-07-23 16:03 ` H. Peter Anvin
2013-07-24 4:44 ` Jason Wang
2013-07-24 4:47 ` H. Peter Anvin
2013-07-23 13:48 ` Gleb Natapov
2013-07-24 4:34 ` Jason Wang
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