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Re: [PATCH 5/5] x86/mem-sharing: don't pointlessly use get_domain_by_id()

To: Jan Beulich <jbeulich@xxxxxxxx>
From: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>
Date: Tue, 5 Jan 2021 08:37:20 -0500
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
Delivery-date: Tue, 05 Jan 2021 13:38:12 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On Tue, Jan 5, 2021 at 8:28 AM Jan Beulich <jbeulich@xxxxxxxx> wrote:
>
> For short-lived references rcu_lock_domain_by_id() is the better
> (slightly cheaper) alternative.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Acked-by: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>

References:
- [PATCH 0/5] domain referencing adjustments
  - From: Jan Beulich
- [PATCH 5/5] x86/mem-sharing: don't pointlessly use get_domain_by_id()
  - From: Jan Beulich

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