Re: [Xen-devel] [PATCH v5] x86/mm: Suppresses vm_events caused by page-walks

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Mon, Apr 23, 2018 at 11:00:50AM +0300, Alexandru Isaila wrote:
> This patch is adding a way to enable/disable inguest pagefault
> events. It introduces the xc_monitor_inguest_pagefault function
> and adds the inguest_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_mem_access_check() we emulate so no event will get sent.
> 
> Signed-off-by: Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>
> 
> ---
> Changes since V4:
>       - Added the hvm_emulate_one_vm_event() call in
>         p2m_mem_access_check()
>         - Removed p2m_set_ad_bits().
> ---
>  tools/libxc/include/xenctrl.h |  2 ++
>  tools/libxc/xc_monitor.c      | 14 ++++++++++++++

Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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