Re: [Xen-devel] [PATCH 17/19] x86/vmce, tools/libxl: expose LMCE capability in guest MSR_IA32_MCG_CAP

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 20.02.17 at 13:32, <wei.liu2@xxxxxxxxxx> wrote:
> On Fri, Feb 17, 2017 at 02:39:34PM +0800, Haozhong Zhang wrote:
>> If LMCE is supported by host and "lmce = 1" is present in xl config, the
>> LMCE capability will be exposed in guest MSR_IA32_MCG_CAP. By default,
>> LMCE is not exposed to guest so as to keep the backwards migration
>> compatibility.
>> 
>> Signed-off-by: Haozhong Zhang <haozhong.zhang@xxxxxxxxx>
> 
> Sorry for this stupid question: what does L in LMCE stand for? Googling
> LMCE doesn't return useful result.

I think it's "local" (as opposed to the broadcasting to all (v)CPUs).

Jan


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