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Re: [PATCH v6 1/3] evtchn: slightly defer lock acquire where possible
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Thu, 27 May 2021 15:46:36 +0200
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "Andrew Cooper" <andrew.cooper3@xxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Ian Jackson <iwj@xxxxxxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Wei Liu <wl@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Delivery-date: Thu, 27 May 2021 13:46:52 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Thu, May 27, 2021 at 01:28:07PM +0200, Jan Beulich wrote:
> port_is_valid() and evtchn_from_port() are fine to use without holding
> any locks. Accordingly acquire the per-domain lock slightly later in
> evtchn_close() and evtchn_bind_vcpu().
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Acked-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Thanks, Roger.
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