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From: "H. Peter Anvin" <hpa@zytor.com>
To: Paolo Bonzini <pbonzini@redhat.com>, Feng Wu <feng.wu@intel.com>,
	gleb@redhat.com, kvm@vger.kernel.org
Subject: Re: [PATCH 0/4] KVM: enable Intel SMAP for KVM
Date: Thu, 27 Mar 2014 10:52:10 -0700	[thread overview]
Message-ID: <5334654A.4040005@zytor.com> (raw)
In-Reply-To: <5334106D.9050904@redhat.com>

On 03/27/2014 04:50 AM, Paolo Bonzini wrote:
> 
> You also need a matching QEMU patch to enable SMAP on Haswell CPUs (do
> all Haswells have SMAP?), though only for a 2.1 or newer machine type.
> But this can be covered later.
> 

Haswell does not have SMAP (Ivy Bridge and Haswell do have SMEP, however.)

	-hpa



  reply	other threads:[~2014-03-27 17:52 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-27 12:25 [PATCH 0/4] KVM: enable Intel SMAP for KVM Feng Wu
2014-03-27 11:50 ` Paolo Bonzini
2014-03-27 17:52   ` H. Peter Anvin [this message]
2014-03-27 12:25 ` [PATCH 1/4] KVM: expose SMAP feature to guest Feng Wu
2014-03-27 12:25 ` [PATCH 2/4] KVM: Remove SMAP bit from CR4_RESERVED_BITS Feng Wu
2014-03-27 12:25 ` [PATCH 3/4] KVM: Add SMAP support when setting CR4 Feng Wu
2014-03-27 11:46   ` Paolo Bonzini
2014-03-28  5:47     ` Zhang, Yang Z
2014-03-28  6:23       ` Paolo Bonzini
2014-03-28  7:33         ` Wu, Feng
2014-03-28 14:09           ` Paolo Bonzini
2014-03-28  9:35     ` Wu, Feng
2014-03-27 12:25 ` [PATCH 4/4] KVM: Disable SMAP for guests in EPT realmode and EPT unpaging mode Feng Wu
2014-03-27 16:14   ` Jan Kiszka
2014-03-28  0:41     ` Wu, Feng
  -- strict thread matches above, loose matches on Subject: below --
2014-03-28 17:36 [PATCH 0/4] KVM: enable Intel SMAP for KVM Feng Wu

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