Re: [PATCH] introduce module parameter for ignoring unknown MSRs accesses

[Avi Kivity <avi@redhat.com>]

On 06/25/2009 01:36 PM, Andre Przywara wrote:
> KVM will inject a #GP into the guest if that tries to access unhandled
> MSRs. This will crash many guests. Although it would be the correct
> way to actually handle these MSRs, we introduce a runtime switchable
> module param called "ignore_msrs" (defaults to 0). If this is Y, unknown
> MSR reads will return 0, while MSR writes are simply dropped. In both cases
> we print a message to dmesg to inform the user about that.
> You can change the behaviour at any time by saying:
>   # echo 1>  /sys/modules/kvm/parameters/ignore_msrs
>
>    

Applied, thanks.

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