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Re: [PATCH v3 3/3] xen: mem_access: conditionally compile vm_event.c & monitor.c
- To: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>
- From: Sergiy Kibrik <sergiy_kibrik@xxxxxxxx>
- Date: Wed, 12 Mar 2025 11:35:14 +0200
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- Cc: Stefano Stabellini <stefano.stabellini@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>, Petre Pircalabu <ppircalabu@xxxxxxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 12 Mar 2025 09:35:39 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
11.03.25 15:39, Tamas K Lengyel:
On Tue, Mar 11, 2025 at 7:59 AM Jan Beulich<jbeulich@xxxxxxxx> wrote:
On 11.03.2025 11:27, Sergiy Kibrik wrote:
From: Stefano Stabellini<stefano.stabellini@xxxxxxx>
Extend coverage of CONFIG_VM_EVENT option and make the build of VM events
and monitoring support optional. Also make MEM_PAGING option depend on VM_EVENT
to document that mem_paging is relying on vm_event.
This is to reduce code size on Arm when this option isn't enabled.
CC: Jan Beulich<jbeulich@xxxxxxxx>
CC: Tamas K Lengyel<tamas@xxxxxxxxxxxxx>
Reviewed-by: Ayan Kumar Halder<ayan.kumar.halder@xxxxxxx>
Signed-off-by: Stefano Stabellini<stefano.stabellini@xxxxxxx>
Signed-off-by: Sergiy Kibrik<Sergiy_Kibrik@xxxxxxxx>
Please can tags be kept in chronological order? It's impossible to review
a patch that wasn't first signed-off on by the author(s).
---
changes in v3:
- add dependency MEM_PAGING -> VM_EVENT
This seems to be largely unnecessary since on x86 selecting HVM
already selects it but I guess it also doesn't hurt to explicitly mark
it like this either.
It's done just to highlight this dependency, more like a documentation
hint (as Jan suggested in previous discussion).
-Sergiy
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