From: Avi Kivity <avi@redhat.com>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: KVM General <kvm@vger.kernel.org>
Subject: Re: Problem with KVM guest switching to x86 long mode
Date: Sun, 11 Apr 2010 14:48:56 +0300 [thread overview]
Message-ID: <4BC1B728.4040507@redhat.com> (raw)
In-Reply-To: <4BC19E22.7050602@cs.helsinki.fi>
On 04/11/2010 01:02 PM, Pekka Enberg wrote:
>> It should work without 80000008 set up - failure should happen only
>> if it is setup incorrectly:
>>
>> int cpuid_maxphyaddr(struct kvm_vcpu *vcpu)
>> {
>> struct kvm_cpuid_entry2 *best;
>>
>> best = kvm_find_cpuid_entry(vcpu, 0x80000008, 0);
>> if (best)
>> return best->eax & 0xff;
>> return 36;
>> }
>
>
> Well, like I said, if I don't add an entry for it in struct kvm_cpuid2
> that's passed to KVM_SET_CPUID2 ioctl, I see a triple fault on Core 2
> Duo CPU that doesn't seem to have native 0x80000008.
Do you have a function 8, though? Looks like a bug in kvm may confuse
the two.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-04-11 11:49 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-08 18:26 Problem with KVM guest switching to x86 long mode Pekka Enberg
2010-04-08 18:36 ` Avi Kivity
2010-04-08 18:59 ` Pekka Enberg
2010-04-08 19:30 ` Avi Kivity
2010-04-11 6:30 ` Pekka Enberg
2010-04-11 9:16 ` Avi Kivity
2010-04-11 9:48 ` Pekka Enberg
2010-04-11 9:59 ` Avi Kivity
2010-04-11 10:02 ` Pekka Enberg
2010-04-11 11:48 ` Avi Kivity [this message]
2010-04-11 11:52 ` Pekka Enberg
2010-04-11 12:02 ` Avi Kivity
2010-04-11 12:04 ` Avi Kivity
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