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Re: [Xen-devel] [PATCH 2/8] xen: add using domlist_read_lock in keyhandlers

To: Juergen Gross <jgross@xxxxxxxx>
From: Jan Beulich <jbeulich@xxxxxxxx>
Date: Thu, 13 Feb 2020 15:01:21 +0100
Cc: Kevin Tian <kevin.tian@xxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Wei Liu <wl@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Jun Nakajima <jun.nakajima@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Roger Pau Monné <roger.pau@xxxxxxxxxx>
Delivery-date: Thu, 13 Feb 2020 14:01:24 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 13.02.2020 13:54, Juergen Gross wrote:
> Using for_each_domain() with out holding the domlist_read_lock is
> fragile, so add the lock in the keyhandlers it is missing.
> 
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>

Where applicable
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>


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References:
- [Xen-devel] [PATCH 0/8] xen: don't let keyhandlers block indefinitely on locks
  - From: Juergen Gross
- [Xen-devel] [PATCH 2/8] xen: add using domlist_read_lock in keyhandlers
  - From: Juergen Gross

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