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Re: [Xen-devel] [PATCH v2 1/2] xen/rwlocks: call preempt_disable() when taking a rwlock

To: Juergen Gross <jgross@xxxxxxxx>
From: Jan Beulich <jbeulich@xxxxxxxx>
Date: Mon, 16 Mar 2020 11:00:02 +0100
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Wei Liu <wl@xxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
Delivery-date: Mon, 16 Mar 2020 10:00:15 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 13.03.2020 15:37, Juergen Gross wrote:
> Similar to spinlocks preemption should be disabled while holding a
> rwlock.
> 
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

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References:
- [Xen-devel] [PATCH v2 0/2] xen/locks: fix preempt disabling in lock handling
  - From: Juergen Gross
- [Xen-devel] [PATCH v2 1/2] xen/rwlocks: call preempt_disable() when taking a rwlock
  - From: Juergen Gross

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