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Re: [PATCH v2 5/7] xen/evtchn: modify evtchn_alloc_unbound to allocate specified port
- To: Rahul Singh <rahul.singh@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 22 Aug 2022 15:57:29 +0200
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- Cc: bertrand.marquis@xxxxxxx, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 22 Aug 2022 13:57:38 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 19.08.2022 12:02, Rahul Singh wrote:
> evtchn_alloc_unbound() always allocates the next available port. Static
> event channel support for dom0less domains requires allocating a
> specified port.
>
> Modify the evtchn_alloc_unbound() to accept the port number as an
> argument and allocate the specified port if available. If the port
> number argument is zero, the next available port will be allocated.
>
> Signed-off-by: Rahul Singh <rahul.singh@xxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
As a minor remark: Personally I'd find it more logical if the alloc-unbound
adjustments came ahead of the bind-interdomain ones.
Jan
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