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Date: Tue, 05 May 2015 11:37:54 +0200
From: Paolo Bonzini <pbonzini@...hat.com>
To: Radim Krčmář <rkrcmar@...hat.com>
CC: linux-kernel@...r.kernel.org, kvm@...r.kernel.org, bsd@...hat.com,
guangrong.xiao@...ux.intel.com,
Yang Zhang <yang.z.zhang@...el.com>, wanpeng.li@...ux.intel.com
Subject: Re: [PATCH 08/13] KVM: x86: stubs for SMM support
On 04/05/2015 19:51, Radim Krčmář wrote:
> (I'm not sure if this is supported if IA32_VMX_BASIC[49] = 0.
> 34.15.6.4 Saving Guest State
> The SMM-transfer monitor (STM) can also discover the current value of
> the SMBASE register by using the RDMSR
>
> but it's not possible to get into STM without having a support for it
> noted in IA32_VMX_BASIC[49] and more magic we also don't emulate to
> actually enable it.)
I can certainly make the SMBASE MSR host-accessible only.
Paolo
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