[Xen-devel] Re: [patch 0/3]Enable CMCI (Corrected Machine Check Error Interrupt) for Intel CPUs

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 23/12/2008 05:17, "Ke, Liping" <liping.ke@xxxxxxxxx> wrote:

> Thanks a lot for the clean-up and format refine! I will pay more attention to
> this too.And also I tested on the related platform. It's fine.
> 
> As for moving *cmci_owner_set* out of stopmachine_run is basically ok for us.
> Just one thing:  
> CMCI might happen and lost during the very small window (old owner is cleared
> while new owner is not set). In order to make sure that CMCI could be
> triggered an on the new owner, we need to clear MSR Bank(i) status register
> [Corrected Error Counter] field ( We normally do this @ CMCI interrupt
> handler, according to spec, if the counter is not cleared, CMCI will not be
> triggered any more).
> I made a small patch for it in the attachment. How do you think?

I don't know very much about CMCI. If you think this is required I will
certainly check it in.

 -- Keir



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