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Re: [PATCH v3 1/3] xen: kconfig: rename MEM_ACCESS -> VM_EVENT
- To: Sergiy Kibrik <sergiy_kibrik@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 11 Mar 2025 15:35:15 +0100
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- Cc: Doug Goldstein <cardoe@xxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>, Petre Pircalabu <ppircalabu@xxxxxxxxxxxxxxx>, Shawn Anastasio <sanastasio@xxxxxxxxxxxxxxxxxxxxx>, Alistair Francis <alistair.francis@xxxxxxx>, Bob Eshleman <bobbyeshleman@xxxxxxxxx>, Connor Davis <connojdavis@xxxxxxxxx>, Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>, "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Tue, 11 Mar 2025 14:35:27 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 11.03.2025 14:41, Sergiy Kibrik wrote:
> 11.03.25 14:01, Jan Beulich:
>> On 11.03.2025 11:23, Sergiy Kibrik wrote:
>>> --- a/xen/common/Kconfig
>>> +++ b/xen/common/Kconfig
>>> @@ -92,7 +92,7 @@ config HAS_VMAP
>>> config MEM_ACCESS_ALWAYS_ON
>>> bool
>>>
>>> -config MEM_ACCESS
>>> +config VM_EVENT
>>> def_bool MEM_ACCESS_ALWAYS_ON
>>> prompt "Memory Access and VM events" if !MEM_ACCESS_ALWAYS_ON
>>> depends on HVM
>>
>> I still don't see why we would then stick to MEM_ACCESS_ALWAYS_ON as a name
>> for the sibling option.
>
> as HVM requires mem-access to be enabled
If that was indeed the case, ...
> I felt like it should be kept
> as is -- to hint that it is mem-access that ties vm_event to hvm.
... I'd agree. It was my understanding though that MEM_ACCESS_ALWAYS_ON
only exists because when Arm support was added no-one wanted to take the
time to make mem-access properly optional on x86.
Jan
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