From: Paolo Bonzini <pbonzini@redhat.com>
To: Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@amacapital.net>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Cole Robinson <crobinso@redhat.com>,
Xen Devel <xen-devel@lists.xensource.com>,
kvm list <kvm@vger.kernel.org>,
M A Young <m.a.young@durham.ac.uk>,
xen <xen@lists.fedoraproject.org>
Subject: Re: rdmsr_safe in Linux PV (under Xen) gets an #GP:Re: [Fedora-xen] Running fedora xen on top of KVM?
Date: Fri, 18 Sep 2015 17:27:55 +0200 [thread overview]
Message-ID: <55FC2D7B.90108@redhat.com> (raw)
In-Reply-To: <20150918135411.GA25593@nazgul.tnic>
On 18/09/2015 15:54, Borislav Petkov wrote:
> On Thu, Sep 17, 2015 at 01:23:31PM -0700, Andy Lutomirski wrote:
>> > Cc: Borislav. Is TSEG guaranteed to exist? Can we defer that until
> Why not? It is the tseg base address.
>
> I think this is kvm injecting a #GP as it is not ignoring this MSR.
> Presumably modprobing kvm with "ignore_msrs=1" or so should hide the
> issue IIUC...
We should return 0 for the tseg MSRs. KVM always handles them in the
northbridge emulation code, like Intel chipsets do. Will send a patch.
Paolo
prev parent reply other threads:[~2015-09-18 15:27 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <55F87984.7030903@redhat.com>
[not found] ` <alpine.DEB.2.00.1509152223140.16001@procyon.dur.ac.uk>
[not found] ` <55F9C792.8070205@redhat.com>
[not found] ` <alpine.DEB.2.00.1509162056260.3899@procyon.dur.ac.uk>
[not found] ` <55F9D95F.9040401@redhat.com>
[not found] ` <20150916210814.GA4643@l.oracle.com>
[not found] ` <55F9EF87.7030407@redhat.com>
2015-09-17 20:10 ` [Fedora-xen] rdmsr_safe in Linux PV (under Xen) gets an #GP:Re: Running fedora xen on top of KVM? Konrad Rzeszutek Wilk
2015-09-17 20:23 ` rdmsr_safe in Linux PV (under Xen) gets an #GP:Re: [Fedora-xen] " Andy Lutomirski
2015-09-17 21:29 ` Andrew Cooper
2015-09-18 13:54 ` Borislav Petkov
2015-09-18 15:20 ` Andy Lutomirski
2015-09-18 19:04 ` Borislav Petkov
2015-09-18 19:15 ` Cole Robinson
2015-09-21 4:49 ` Andy Lutomirski
2015-09-22 18:23 ` [Fedora-xen] rdmsr_safe in Linux PV (under Xen) gets an #GP:Re: " Konrad Rzeszutek Wilk
2015-09-22 18:32 ` rdmsr_safe in Linux PV (under Xen) gets an #GP:Re: [Fedora-xen] " Andy Lutomirski
2015-09-18 15:27 ` Paolo Bonzini [this message]
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