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Re: [Xen-devel] [PATCH] xen/arm: protect LR registers and lr_mask changes with spin_lock_irq

To: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
From: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Date: Thu, 9 Aug 2012 10:10:44 +0100
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Thu, 09 Aug 2012 09:11:42 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On Wed, 2012-08-08 at 17:14 +0100, Stefano Stabellini wrote:
> GICH_LR registers and lr_mask need to be kept in sync: make sure that
> their modifications are protected by spin_lock_irq(&gic.lock).
> 
> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

Applied to my arm-for-4.3 branch.



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References:
- [Xen-devel] [PATCH] xen/arm: protect LR registers and lr_mask changes with spin_lock_irq
  - From: Stefano Stabellini

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