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Re: [Xen-devel] [PATCH V9] vm_event: Allow subscribing to write events for specific MSR-s

>>> On 30.05.16 at 09:13, <rcojocaru@xxxxxxxxxxxxxxx> wrote:
> On 05/13/2016 02:35 PM, Jan Beulich wrote:
>>>>> On 06.05.16 at 16:33, <rcojocaru@xxxxxxxxxxxxxxx> 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.
>>> The patch also introduces arch_monitor_init_domain() and
>>> arch_monitor_cleanup_domain(), to do monitor-specific work
>>> (as opposed to the previous way of doing all the setup in
>>> vm_event_init_domain() / vm_event_cleanup_domain()).
>>> This replaces the previously posted "xen: Filter out MSR write
>>> events" patch.
>>> Signed-off-by: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
>>> Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
>>> Acked-by: Kevin Tian <kevin.tian@xxxxxxxxx>
>> Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
> Does this patch require additional acks? Tamas' maybe?

Yes, quite clearly (looking at the diffstat).


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