On Mon, Jan 08, 2018 at 02:49:44PM +0200, Alexandru Isaila wrote:
> This patch is adding a way to enable/disable nested pagefault
> events. It introduces the xc_monitor_nested_pagefault function
> and adds the nested_pagefault_disabled in the monitor structure.
> This is needed by the introspection so it will only get gla
> faults and not get spammed with other faults.
> In p2m_set_ad_bits the v->arch.sse_pg_dirty.eip and
> v->arch.sse_pg_dirty.gla are used to mark that this is the
> second time a fault occurs and the dirty bit is set.
> 
> Signed-off-by: Alexandru Isaila <aisa...@bitdefender.com>
> 
> ---
> Changes since V1:
>         - Rb V1
>       - Add comment in domctl.h
> ---
>  tools/libxc/include/xenctrl.h |  2 ++
>  tools/libxc/xc_monitor.c      | 14 ++++++++++++++

These changes look sensible to me.

>  xen/arch/x86/mm/mem_access.c  | 27 +++++++++++++++++++++++++++
>  xen/arch/x86/monitor.c        | 13 +++++++++++++
>  xen/include/asm-x86/domain.h  |  6 ++++++
>  xen/include/asm-x86/monitor.h |  3 ++-
>  xen/include/public/domctl.h   |  2 ++

You might want to bump domctl version number it is has been done already
in this release.

Wei.

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