Re: [Xen-devel] [PATCH RFC V6 5/5] xen: Handle resumed instruction based on previous mem_event reply

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 11.08.14 at 17:08, <rcojocaru@xxxxxxxxxxxxxxx> wrote:
> --- a/xen/arch/x86/hvm/vmx/vmx.c
> +++ b/xen/arch/x86/hvm/vmx/vmx.c
> @@ -1699,6 +1699,18 @@ static void vmx_enable_msr_exit_interception(struct 
> domain *d)
>              vmx_enable_intercept_for_msr(v, msrs[i], MSR_TYPE_W);
>  }
>  
> +static bool_t vmx_exited_by_nested_pagefault(void)
> +{
> +    unsigned long exit_qualification;
> +
> +    __vmread(EXIT_QUALIFICATION, &exit_qualification);
> +
> +    if ( (exit_qualification & EPT_GLA_FAULT) == 0 )
> +        return 0;
> +
> +    return 1;
> +}

As (I think) said on the previous version already - this would apparently
benefit from being based on Tamas's recent work (slated to go in once
the series got suitably acked).

Jan


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