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Date:   Mon, 22 Apr 2019 09:56:15 -0700
From:   Sean Christopherson <sean.j.christopherson@intel.com>
To:     Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc:     Like Xu <like.xu@linux.intel.com>, kvm@vger.kernel.org,
        Paolo Bonzini <pbonzini@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Len Brown <lenb@kernel.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] KVM: x86: Add Intel CPUID.1F cpuid emulation support
Message-ID: <20190422165615.GD1236@linux.intel.com>
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 <20190422155333.GB32647@char.us.oracle.com>
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On Mon, Apr 22, 2019 at 11:53:33AM -0400, Konrad Rzeszutek Wilk wrote:
> On Mon, Apr 22, 2019 at 02:40:34PM +0800, Like Xu wrote:
> > Expose Intel V2 Extended Topology Enumeration Leaf to guest only when
> > host system has multiple software-visible die within each package.
> 
> Is there some doc on this?

It's in recent versions of the SDM, in the massive "Information Returned
by CPUID Instruction" table.