From: Paolo Bonzini <pbonzini@redhat.com>
To: Jim Mattson <jmattson@google.com>
Cc: "Vitaly Kuznetsov" <vkuznets@redhat.com>,
"kvm list" <kvm@vger.kernel.org>,
"the arch/x86 maintainers" <x86@kernel.org>,
"Radim Krčmář" <rkrcmar@redhat.com>,
"K. Y. Srinivasan" <kys@microsoft.com>,
"Haiyang Zhang" <haiyangz@microsoft.com>,
"Stephen Hemminger" <sthemmin@microsoft.com>,
"Michael Kelley (EOSG)" <Michael.H.Kelley@microsoft.com>,
"Mohammed Gamal" <mmorsy@redhat.com>,
"Cathy Avery" <cavery@redhat.com>, "Bandan Das" <bsd@redhat.com>,
"Roman Kagan" <rkagan@virtuozzo.com>,
LKML <linux-kernel@vger.kernel.org>,
devel@linuxdriverproject.org
Subject: Re: [PATCH RFC 2/7] KVM: nVMX: modify vmcs12 fields to match Hyper-V enlightened VMCS
Date: Tue, 19 Dec 2017 22:19:30 +0100 [thread overview]
Message-ID: <c362b8a3-cccc-97d7-4f4f-88f5b467606a@redhat.com> (raw)
In-Reply-To: <CALMp9eTVV7EunsGFgypVXwncvQo_tDCV2NgrOOprzCbs=U-p0Q@mail.gmail.com>
On 19/12/2017 18:40, Jim Mattson wrote:
> I'm not sure that's really the right way to go, since any guest that
> has already read the IA32_VMX_BASIC MSR has a right to expect the VMCS
> revision to remain unchanged.
Hmm, not just that, "the VMCS revision identifier is never written by
the processor" according to the SDM. Maybe the code that accesses the
vmcs12 can be placed in a .h file and included more than once in vmx.c.
Paolo
next prev parent reply other threads:[~2017-12-19 21:19 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-18 17:17 [PATCH RFC 0/7] KVM: nVMX: enlightened VMCS initial implementation Vitaly Kuznetsov
2017-12-18 17:17 ` [PATCH RFC 1/7] KVM: x86: rename HV_X64_MSR_APIC_ASSIST_PAGE to HV_X64_MSR_VP_ASSIST_PAGE Vitaly Kuznetsov
2017-12-18 17:17 ` [PATCH RFC 2/7] KVM: nVMX: modify vmcs12 fields to match Hyper-V enlightened VMCS Vitaly Kuznetsov
2017-12-18 20:23 ` Jim Mattson
2017-12-18 21:28 ` Jim Mattson
2017-12-19 12:25 ` Vitaly Kuznetsov
2017-12-19 12:37 ` Paolo Bonzini
2017-12-19 17:40 ` Jim Mattson
2017-12-19 21:19 ` Paolo Bonzini [this message]
2017-12-21 13:02 ` Vitaly Kuznetsov
2017-12-19 17:44 ` Jim Mattson
2017-12-18 17:17 ` [PATCH RFC 3/7] KVM: nVMX: add I/O exit ECX, ESI, EDI, EIP vmcs12 fields Vitaly Kuznetsov
2017-12-18 17:17 ` [PATCH RFC 4/7] KVM: hyperv: define VP assist page structure and add helpers Vitaly Kuznetsov
2017-12-18 17:17 ` [PATCH RFC 5/7] KVM: nVMX: add KVM_CAP_HYPERV_ENLIGHTENED_VMCS capability Vitaly Kuznetsov
2017-12-18 17:17 ` [PATCH RFC 6/7] KVM: nVMX: add enlightened VMCS state Vitaly Kuznetsov
2017-12-18 17:17 ` [PATCH RFC 7/7] KVM: nVMX: implement enlightened VMPTRLD Vitaly Kuznetsov
2017-12-19 12:41 ` [PATCH RFC 0/7] KVM: nVMX: enlightened VMCS initial implementation Paolo Bonzini
2017-12-19 13:21 ` Vitaly Kuznetsov
2017-12-21 12:50 ` Vitaly Kuznetsov
2017-12-21 14:32 ` Paolo Bonzini
2017-12-21 15:08 ` Vitaly Kuznetsov
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