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Re: [PATCH] console: use more appropriate domain RCU-locking function
- To: Jan Beulich <jbeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Wed, 15 Mar 2023 09:45:02 +0000
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- Cc: George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
- Delivery-date: Wed, 15 Mar 2023 09:45:30 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 15/03/2023 7:24 am, Jan Beulich wrote:
> While both 19afff14b4cb ("xen: support console_switching between Dom0
> and DomUs on ARM") and 1ee1e4b0d1ff ("xen/arm: Allow vpl011 to be used
> by DomU") were part of the same series (iirc), the latter correctly used
> rcu_lock_domain_by_id() in console_input_domain(), whereas the former
> for some reason used rcu_lock_domain_by_any_id() instead, despite that
> code only kind of open-coding console_input_domain(). There's no point
> here to deal with DOMID_SELF, which is the sole difference between the
> two functions.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
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