Re: [Xen-devel] [PATCH v6] x86/mm: Suppresses vm_events caused by page-walks

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 07.05.18 at 15:40, <aisaila@xxxxxxxxxxxxxxx> wrote:
> --- a/xen/include/asm-x86/monitor.h
> +++ b/xen/include/asm-x86/monitor.h
> @@ -84,7 +84,8 @@ static inline uint32_t arch_monitor_get_capabilities(struct 
> domain *d)
>                     (1U << XEN_DOMCTL_MONITOR_EVENT_DEBUG_EXCEPTION) |
>                     (1U << XEN_DOMCTL_MONITOR_EVENT_CPUID) |
>                     (1U << XEN_DOMCTL_MONITOR_EVENT_INTERRUPT) |
> -                   (1U << XEN_DOMCTL_MONITOR_EVENT_EMUL_UNIMPLEMENTED);
> +                   (1U << XEN_DOMCTL_MONITOR_EVENT_EMUL_UNIMPLEMENTED) |
> +                   (1U << XEN_DOMCTL_MONITOR_EVENT_INGUEST_PAGEFAULT);
>  
>      /* Since we know this is on VMX, we can just call the hvm func */
>      if ( hvm_is_singlestep_supported() )

So this change looks to depend on some random version of
"hvm/svm: Enable EMUL_UNIMPLEMENTED events on svm", but this
isn't mentioned anywhere, and it's also not the version that I've
just managed to apply. Please can you spell out such dependencies?

Jan



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