From: Avi Kivity <avi@redhat.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: Gerd Hoffmann <kraxel@redhat.com>,
Anthony Liguori <anthony@codemonkey.ws>,
Huang Ying <ying.huang@intel.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Add MCE support to KVM
Date: Mon, 20 Apr 2009 14:02:51 +0300 [thread overview]
Message-ID: <49EC565B.2090806@redhat.com> (raw)
In-Reply-To: <20090420100421.GX14687@one.firstfloor.org>
Andi Kleen wrote:
>> It depends if the MSR may be considered global, or is required to be
>> per-cpu. Need to refresh my memory on this, but I remember reading this
>>
>
> Machine Check MSRs need to be per CPU. The latest kernels have some support
> for "shared banks" (between CPUs) but it's better to not have it and
> older OS don't like it.
>
In the case of the hypercall page MSR, it is global and shared among all
processors.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2009-04-20 11:03 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-08 1:53 [PATCH] Add MCE support to KVM Huang Ying
2009-04-09 15:50 ` Avi Kivity
2009-04-10 3:00 ` Huang Ying
2009-04-11 12:04 ` Avi Kivity
2009-04-11 12:19 ` Andi Kleen
2009-04-11 12:25 ` Avi Kivity
2009-04-13 8:26 ` Andi Kleen
2009-04-13 2:41 ` Huang Ying
2009-04-13 13:02 ` Avi Kivity
2009-04-14 2:04 ` Huang Ying
2009-04-14 10:45 ` Avi Kivity
2009-04-15 7:24 ` Huang Ying
2009-04-18 22:17 ` Anthony Liguori
2009-04-19 8:33 ` Avi Kivity
2009-04-20 7:52 ` Gerd Hoffmann
2009-04-20 8:26 ` Avi Kivity
2009-04-20 8:59 ` Gerd Hoffmann
2009-04-20 9:05 ` Avi Kivity
2009-04-20 10:04 ` Andi Kleen
2009-04-20 11:02 ` Avi Kivity [this message]
2009-04-20 11:23 ` Gerd Hoffmann
2009-04-20 11:27 ` Avi Kivity
2009-04-20 12:20 ` Gerd Hoffmann
2009-04-20 12:43 ` Avi Kivity
2009-04-20 13:24 ` Gerd Hoffmann
2009-04-20 13:45 ` Avi Kivity
2009-04-21 9:14 ` Xenner design and kvm msr handling Gerd Hoffmann
2009-04-21 10:14 ` Avi Kivity
2009-04-21 11:41 ` Gerd Hoffmann
2009-04-21 12:27 ` Avi Kivity
2009-04-21 12:47 ` Gerd Hoffmann
2009-04-21 13:33 ` Avi Kivity
2009-04-21 16:00 ` Gerd Hoffmann
2009-04-21 16:15 ` Avi Kivity
2009-04-22 10:02 ` Gerd Hoffmann
2009-04-21 16:04 ` [PATCH] Add MCE support to KVM Anthony Liguori
2009-04-21 16:17 ` Avi Kivity
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