From: Ian Campbell <Ian.Campbell@citrix.com>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: [PATCH v3 for-4.5] xen/arm: clear UIE on hypervisor entry
Date: Tue, 25 Nov 2014 14:55:28 +0000 [thread overview]
Message-ID: <1416927328.32327.35.camel@citrix.com> (raw)
In-Reply-To: <1416580290-4615-1-git-send-email-stefano.stabellini@eu.citrix.com>
On Fri, 2014-11-21 at 14:31 +0000, Stefano Stabellini wrote:
> UIE being set can cause maintenance interrupts to occur when Xen writes
> to one or more LR registers. The effect is a busy loop around the
> interrupt handler in Xen
> (http://marc.info/?l=xen-devel&m=141597517132682): everything gets stuck.
>
> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> Acked-by: Ian Campbell <ian.campbell@citrix.com>
> Reported-and-Tested-by: Andrii Tseglytskyi <andrii.tseglytskyi@globallogic.com>
> Tested-by: Julien Grall <julien.grall@linaro.org>
> Release-acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
applied, thanks.
prev parent reply other threads:[~2014-11-25 14:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-21 14:31 [PATCH v3 for-4.5] xen/arm: clear UIE on hypervisor entry Stefano Stabellini
2014-11-25 14:55 ` Ian Campbell [this message]
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