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From: "Burton, Ross" <ross.burton@intel.com>
Date: Thu, 15 Jun 2017 12:45:01 +0100
Message-ID: <CAJTo0Lb+GDpEMbZP7tgVuMtpw1=38u486VXoQL1NFGnFpTD4Mw@mail.gmail.com>
To: Martin Kelly <mkelly@xevo.com>
Cc: Joshua G Lock <joshua.g.lock@intel.com>,
	OE-core <openembedded-core@lists.openembedded.org>
Subject: Re: [PATCH resend] qemuboot.conf: make cpus match built artifacts
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On 2 May 2017 at 20:20, Martin Kelly <mkelly@xevo.com> wrote:

> -QB_CPU_KVM_x86-64 = "-cpu kvm64"
> +QB_CPU_KVM_x86-64 = "-cpu core2duo"
>

What's the actual meaning of the "kvm64" and "kvm32" CPUs?  Is there a
performance hit?  Should we be instead changing the qemu machine to target
a different instruction set?

Ross

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<div dir=3D"ltr"><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">=
On 2 May 2017 at 20:20, Martin Kelly <span dir=3D"ltr">&lt;<a href=3D"mailt=
o:mkelly@xevo.com" target=3D"_blank">mkelly@xevo.com</a>&gt;</span> wrote:<=
br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left=
:1px #ccc solid;padding-left:1ex"><div id=3D":y2" class=3D"a3s aXjCH m15bca=
b6ffa5390bd">-QB_CPU_KVM_x86-64 =3D &quot;-cpu kvm64&quot;<br>
+QB_CPU_KVM_x86-64 =3D &quot;-cpu core2duo&quot;<br></div></blockquote></di=
v><br>What&#39;s the actual meaning of the &quot;kvm64&quot; and &quot;kvm3=
2&quot; CPUs?=C2=A0 Is there a performance hit?=C2=A0 Should we be instead =
changing the qemu machine to target a different instruction set?</div><div =
class=3D"gmail_extra"><br></div><div class=3D"gmail_extra">Ross</div></div>

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