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

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Mon, May 07, 2018 at 04:40:12PM +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 V5:
>       - Add comment for the xc_monitor_inguest_pagefault() func.
>         - Add altp2m_write_no_gpt test in xen_access
> ---
>  tools/libxc/include/xenctrl.h       |  7 +++++++
>  tools/libxc/xc_monitor.c            | 14 ++++++++++++++

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

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