From: Markus Schade <markus.schade@gmail.com>
To: Avi Kivity <avi@redhat.com>
Cc: Joerg Roedel <joro@8bytes.org>, kvm@vger.kernel.org
Subject: Re: Restoring saved guest causes guest to reboot
Date: Thu, 26 May 2011 13:28:53 +0200 [thread overview]
Message-ID: <4DDE3975.6020709@gmail.com> (raw)
In-Reply-To: <4DDDF6D1.1070907@redhat.com>
On 05/26/2011 08:44 AM, Avi Kivity wrote:
> On 05/25/2011 09:49 AM, Markus Schade wrote:
>>
>> Git bisect tells me that this is the first bad commit:
>> -----------------%<-----------------
>> aff48baa34c033318ad322ecbf2e4bcd891b29ca is the first bad commit
>> commit aff48baa34c033318ad322ecbf2e4bcd891b29ca Author: Avi Kivity
>> <avi@redhat.com> Date: Sun Dec 5 18:56:11 2010 +0200
>>
>> KVM: Fetch guest cr3 from hardware on demand
>>
>> Instead of syncing the guest cr3 every exit, which is expensince on
>> vmx with ept enabled, sync it only on demand.
>>
>> [sheng: fix incorrect cr3 seen by Windows XP]
>>
>> Signed-off-by: Sheng Yang <sheng@linux.intel.com> Signed-off-by:
>> Avi Kivity <avi@redhat.com>
>>
>
> Does your machine have ept?
>
> (cat /sys/module/kvm_intel/parameters/ept)
>
Sure. (Assuming that the Y means yes). I am no C developer, but I was
wondering, if the issue is related to the difference in
ept_update_paging_mode_cr0 between original patch in the kvm git and the
linux-2.6. git tree.
Best regards,
Markus
next prev parent reply other threads:[~2011-05-26 12:06 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-24 7:11 Restoring saved guest causes guest to reboot Markus Schade
2011-05-24 9:18 ` Joerg Roedel
2011-05-24 9:35 ` Markus Schade
2011-05-24 9:40 ` Joerg Roedel
2011-05-24 11:42 ` Markus Schade
2011-05-24 13:02 ` Joerg Roedel
2011-05-24 13:20 ` Avi Kivity
2011-05-24 13:37 ` Markus Schade
2011-05-24 13:42 ` Avi Kivity
2011-05-25 6:49 ` Markus Schade
2011-05-26 6:44 ` Avi Kivity
2011-05-26 11:28 ` Markus Schade [this message]
2011-05-26 15:20 ` Markus Schade
2011-05-26 15:25 ` Joerg Roedel
2011-05-30 12:16 ` Markus Schade
2011-05-30 18:02 ` Marcelo Tosatti
2011-05-31 9:44 ` Markus Schade
2011-06-06 13:57 ` Markus Schade
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