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Re: [Xen-devel] [PATCH] vm_event: Allow subscribing to write events for specific MSR-s

Hello Razvan,

On 12/04/2016 15:34, Razvan Cojocaru wrote:
Previously, subscribing to MSR write events was an all-or-none
approach, with special cases for introspection MSR-s. This patch
allows the vm_event consumer to specify exactly what MSR-s it is
interested in, and as a side-effect gets rid of the
vmx_introspection_force_enabled_msrs[] special case.
This replaces the previously posted "xen: Filter out MSR write
events" patch.

Signed-off-by: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
  tools/libxc/include/xenctrl.h      |  4 +--
  tools/libxc/xc_monitor.c           |  6 ++--
  xen/arch/x86/hvm/event.c           |  3 +-
  xen/arch/x86/hvm/hvm.c             |  3 +-
  xen/arch/x86/hvm/vmx/vmcs.c        | 26 ++--------------
  xen/arch/x86/hvm/vmx/vmx.c         | 10 ++----
  xen/arch/x86/monitor.c             | 25 +++++++--------
  xen/arch/x86/vm_event.c            | 62 ++++++++++++++++++++++++++++++++++++++
  xen/include/asm-arm/vm_event.h     | 21 +++++++++++++

Can you explain why you've added stubs for ARM when nobody in the common code is calling them?


Julien Grall

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