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Re: [PATCH v4 2/6] x86/vm_event: introduce vm_event_is_enabled()
- To: Penny Zheng <Penny.Zheng@xxxxxxx>
- From: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>
- Date: Fri, 16 Jan 2026 18:19:00 -0500
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- Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, jason.andryuk@xxxxxxx, ray.huang@xxxxxxx, Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>, Petre Pircalabu <ppircalabu@xxxxxxxxxxxxxxx>
- Delivery-date: Fri, 16 Jan 2026 23:19:53 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Function vm_event_is_enabled() is introduced to check if vm event is enabled,
and also make the checking conditional upon CONFIG_VM_EVENT, which could help
DCE a lot unreachable calls/codes, such as hvm_monitor_io(), etc,
when having VM_EVENT=n.
Signed-off-by: Penny Zheng <Penny.Zheng@xxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
Reviewed-by: Jason Andryuk <jason.andryuk@xxxxxxx>
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