From: Gerd Hoffmann <kraxel@redhat.com>
To: Avi Kivity <avi@qumranet.com>
Cc: kvm@vger.kernel.org
Subject: Re: lapic & npt
Date: Fri, 27 Jun 2008 16:42:05 +0200 [thread overview]
Message-ID: <4864FC3D.2080508@redhat.com> (raw)
In-Reply-To: <4849661F.2050908@qumranet.com>
Hi,
>> Figured meanwhile the instruction accessing the lapic register somehow
>> beames me into my gpf handler. With a quite strange rsp value. Hmm.
>> To be analyzed further after kvm forum I guess, unless someone has a
>> bright idea ...
> x86-64 will gpf if an address is not canonical. ffff820000000000 is
> canonical, but perhaps a type killed a zero somewhere?
Doesn't look like. Tried to analyze that. Compiled lastest kvm.git
kernel (to get kvmtrace support), booted, and noticed "kvm-amd npt=0"
doesn't work at all ...
cheers,
Gerd
--
http://kraxel.fedorapeople.org/xenner/
next prev parent reply other threads:[~2008-06-27 14:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-04 16:11 lapic & npt Gerd Hoffmann
2008-06-04 16:16 ` Avi Kivity
2008-06-06 14:45 ` Gerd Hoffmann
2008-06-06 16:30 ` Avi Kivity
2008-06-27 14:42 ` Gerd Hoffmann [this message]
2008-06-30 10:21 ` Gerd Hoffmann
2008-06-04 18:56 ` Vringfd Dong, Eddie
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