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Re: [PATCH 5/8] xen/evtchn: don't close the static event channel.
- To: Julien Grall <julien@xxxxxxx>
- From: Rahul Singh <Rahul.Singh@xxxxxxx>
- Date: Tue, 28 Jun 2022 13:53:27 +0000
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- Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Wei Liu <wl@xxxxxxx>
- Delivery-date: Tue, 28 Jun 2022 13:53:44 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: [PATCH 5/8] xen/evtchn: don't close the static event channel.
Hi Julien
> On 23 Jun 2022, at 4:30 pm, Julien Grall <julien@xxxxxxx> wrote:
>
>
>
> On 23/06/2022 16:10, Rahul Singh wrote:
>> Hi Julien,
>>> On 22 Jun 2022, at 4:05 pm, Julien Grall <julien@xxxxxxx> wrote:
>>>
>>> Hi,
>>>
>>> On 22/06/2022 15:38, Rahul Singh wrote:
>>>> Guest can request the Xen to close the event channels. Ignore the
>>>> request from guest to close the static channels as static event channels
>>>> should not be closed.
>>>
>>> Why do you want to prevent the guest to close static ports? The problem I
>>> can see is...
>> As a static event channel should be available during the lifetime of the
>> guest we want to prevent
>> the guest to close the static ports.
> I don't think it is Xen job to prevent a guest to close a static port. If the
> guest decide to do it, then it will just break itself and not Xen.
It is okay for the guest to close a port, port is not allocated by the guest in
case of a static event channel.
Xen has nothing to do for close the static event channel and just return 0.
Regards,
Rahul
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