From: Avi Kivity <avi@redhat.com>
To: Anthony Liguori <aliguori@linux.vnet.ibm.com>
Cc: "lmr@redhat.com" <lmr@redhat.com>,
"Li, Haicheng" <haicheng.li@intel.com>,
Max Asbock <masbock@linux.vnet.ibm.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"Zheng, Jiajia" <jiajia.zheng@intel.com>,
"You, Yongkang" <yongkang.you@intel.com>,
"Kleen, Andi" <andi.kleen@intel.com>
Subject: Re: [Qemu-devel] [Patch] Support translating Guest physical address to Host virtual address.
Date: Sun, 07 Feb 2010 16:03:33 +0200 [thread overview]
Message-ID: <4B6EC835.3010805@redhat.com> (raw)
In-Reply-To: <4B69A0DF.4040908@linux.vnet.ibm.com>
On 02/03/2010 06:14 PM, Anthony Liguori wrote:
>>> aren't we putting the cart before the horse here?
>> qemu has support for triggering MCEs on the monitor.
>>
>> Also the KVM code base has support for forwarding the MCEs
>> automatically.
>
> KVM has all of the information you need (guest physical -> host
> physical mapping). It can also pin the mapping making it much safer
> to interface at that level. You should probably add an ioctl
> interface to KVM to get a host physical from a given guest physical
> and then use that to do the MCE injection. You would need to write a
> little helper tool and you would need a way to get an fd for an
> existing guest.
>
It would be simpler to trigger the whole thing from within qemu.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-02-07 14:05 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-27 3:25 [Qemu-devel] [Patch] Support translating Guest physical address to Host virtual address Zheng, Jiajia
2010-01-27 21:39 ` Anthony Liguori
2010-01-27 22:31 ` Max Asbock
2010-02-03 4:04 ` Zheng, Jiajia
2010-02-03 13:41 ` Anthony Liguori
2010-02-03 14:11 ` Kleen, Andi
2010-02-03 14:23 ` Anthony Liguori
2010-02-03 15:29 ` Lucas Meneghel Rodrigues
2010-02-03 15:49 ` Kleen, Andi
2010-02-03 16:14 ` Anthony Liguori
2010-02-05 2:07 ` Zheng, Jiajia
2010-02-07 14:03 ` Avi Kivity [this message]
2010-02-07 16:23 ` Anthony Liguori
2010-02-07 16:31 ` Avi Kivity
2010-02-07 22:09 ` Anthony Liguori
2010-02-08 3:38 ` Zheng, Jiajia
2010-02-08 8:43 ` Avi Kivity
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