From: Julien Grall <julien.grall@linaro.org>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: julien.grall@citrix.com, xen-devel@lists.xensource.com,
Ian.Campbell@citrix.com
Subject: Re: [PATCH v4 1/4] xen/arm: observe itargets setting in vgic_enable_irqs and vgic_disable_irqs
Date: Mon, 09 Jun 2014 12:37:23 +0100 [thread overview]
Message-ID: <53959C73.3030300@linaro.org> (raw)
In-Reply-To: <alpine.DEB.2.02.1406091146020.2526@kaball.uk.xensource.com>
On 06/09/2014 11:47 AM, Stefano Stabellini wrote:
>> Write in GICD_ITARGETSR can be either half-word or word. If I'm not mistaken
>> you sanity check only handle word access.
>
> I realize that it is a bit tricky to read, but this works for both word
> and half-word accesses.
I think you have to mask the unused bits in the register. We can't
assume that they will be all-zeroed.
Regards,
--
Julien Grall
next prev parent reply other threads:[~2014-06-09 11:37 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-06 17:47 [PATCH v4 0/4] vgic emulation and GICD_ITARGETSR Stefano Stabellini
2014-06-06 17:48 ` [PATCH v4 1/4] xen/arm: observe itargets setting in vgic_enable_irqs and vgic_disable_irqs Stefano Stabellini
2014-06-07 14:33 ` Julien Grall
2014-06-09 10:47 ` Stefano Stabellini
2014-06-09 11:37 ` Julien Grall [this message]
2014-06-09 12:04 ` Stefano Stabellini
2014-06-09 12:32 ` Julien Grall
2014-06-09 17:21 ` Stefano Stabellini
2014-06-10 11:44 ` Ian Campbell
2014-06-11 11:54 ` Stefano Stabellini
2014-06-06 17:48 ` [PATCH v4 2/4] xen/arm: inflight irqs during migration Stefano Stabellini
2014-06-10 12:12 ` Ian Campbell
2014-06-11 14:15 ` Stefano Stabellini
2014-06-11 14:28 ` Julien Grall
2014-06-11 14:49 ` Stefano Stabellini
2014-06-11 15:16 ` Julien Grall
2014-06-11 15:55 ` Stefano Stabellini
2014-06-06 17:48 ` [PATCH v4 3/4] xen/arm: support irq delivery to vcpu > 0 Stefano Stabellini
2014-06-10 12:16 ` Ian Campbell
2014-06-10 12:56 ` Julien Grall
2014-06-11 14:22 ` Stefano Stabellini
2014-06-06 17:48 ` [PATCH v4 4/4] xen/arm: physical irq follow virtual irq Stefano Stabellini
2014-06-10 12:27 ` Ian Campbell
2014-06-11 14:47 ` Stefano Stabellini
2014-06-11 15:14 ` Ian Campbell
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