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From: Ian Campbell <Ian.Campbell@citrix.com>
To: Julien Grall <julien.grall@linaro.org>
Cc: Wei Huang <w1.huang@samsung.com>,
	keir@xen.org, stefano.stabellini@eu.citrix.com,
	andrew.cooper3@citrix.com, tim@xen.org, jaeyong.yoo@samsung.com,
	xen-devel@lists.xen.org, jbeulich@suse.com,
	ian.jackson@eu.citrix.com, yjhyun.yoo@samsung.com
Subject: Re: [RFC v3 2/6] xen/arm: Add save/restore support for ARM GIC V2
Date: Fri, 16 May 2014 08:36:24 +0100	[thread overview]
Message-ID: <1400225784.29121.8.camel@dagon.hellion.org.uk> (raw)
In-Reply-To: <5374F623.6040801@linaro.org>

On Thu, 2014-05-15 at 18:15 +0100, Julien Grall wrote:
> Hi Wei,
> 
> On 05/08/2014 10:18 PM, Wei Huang wrote:
> > +struct hvm_arm_gich_v2
> > +{
> > +    uint32_t gic_hcr;
> > +    uint32_t gic_vmcr;
> > +    uint32_t gic_apr;
> > +    uint32_t gic_lr[64];
> > +    uint64_t event_mask;
> 
> FYI, the field event_mask as been dropped in xen upstream [1]
> 
> So you don't need to save it.

Quite apart from it's existence in upstream Xen it is not and never was
an architectural field and so shouldn't ever be saved. It's presence or
absence in some struct inside Xen has no impact on that.

Ian.

  reply	other threads:[~2014-05-16  7:36 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-08 21:18 [RFC v3 0/6] xen/arm: ARM save/restore/migration support Wei Huang
2014-05-08 21:18 ` [RFC v3 1/6] xen/arm: Add basic save/restore support for ARM Wei Huang
2014-05-08 22:11   ` Andrew Cooper
2014-05-08 22:20     ` Wei Huang
2014-05-09  8:56       ` Julien Grall
2014-05-14 10:27         ` Ian Campbell
2014-05-14 10:25     ` Ian Campbell
2014-05-14 10:46       ` Andrew Cooper
2014-05-14 13:22         ` Ian Campbell
2014-05-09  9:06   ` Julien Grall
2014-05-09  9:42   ` Jan Beulich
2014-05-14 10:37   ` Ian Campbell
2014-05-14 18:54     ` Wei Huang
2014-05-08 21:18 ` [RFC v3 2/6] xen/arm: Add save/restore support for ARM GIC V2 Wei Huang
2014-05-08 22:47   ` Andrew Cooper
2014-05-09 14:12     ` Wei Huang
2014-05-09 14:24       ` Ian Campbell
2014-05-11 16:15         ` Julien Grall
2014-05-13 14:53     ` Wei Huang
2014-05-09  9:17   ` Julien Grall
2014-05-14 11:07   ` Ian Campbell
2014-05-14 12:05     ` Julien Grall
2014-05-14 12:23       ` Tim Deegan
2014-05-14 13:24         ` Ian Campbell
2014-05-15 17:15   ` Julien Grall
2014-05-16  7:36     ` Ian Campbell [this message]
2014-05-08 21:18 ` [RFC v3 3/6] xen/arm: Add save/restore support for ARM arch timer Wei Huang
2014-05-08 23:02   ` Andrew Cooper
2014-05-11  9:01     ` Julien Grall
2014-05-11  8:58   ` Julien Grall
2014-05-12  8:35     ` Ian Campbell
2014-05-12 11:42       ` Julien Grall
2014-05-14 11:14   ` Ian Campbell
2014-05-14 12:13     ` Julien Grall
2014-05-14 13:23       ` Ian Campbell
2014-05-14 19:04     ` Wei Huang
2014-05-08 21:18 ` [RFC v3 4/6] xen/arm: Add save/restore support for guest core registers Wei Huang
2014-05-08 23:10   ` Andrew Cooper
2014-05-09 16:35     ` Wei Huang
2014-05-09 16:52       ` Ian Campbell
2014-05-11  9:06   ` Julien Grall
2014-05-14 11:16     ` Ian Campbell
2014-05-14 12:23       ` Julien Grall
2014-05-14 13:25         ` Ian Campbell
2014-05-14 13:31           ` Julien Grall
2014-05-14 11:37   ` Ian Campbell
2014-05-08 21:18 ` [RFC v3 5/6] xen/arm: Add log_dirty support for ARM Wei Huang
2014-05-08 23:46   ` Andrew Cooper
2014-05-14 11:51     ` Ian Campbell
2014-05-11 15:28   ` Julien Grall
2014-05-12 14:00     ` Wei Huang
2014-05-12 14:11       ` Julien Grall
2014-05-14 12:04         ` Ian Campbell
2014-05-14 11:57     ` Ian Campbell
2014-05-14 12:20       ` Julien Grall
2014-05-14 13:24         ` Ian Campbell
2014-05-14 13:18   ` Ian Campbell
2014-05-16 10:59   ` Julien Grall
2014-05-08 21:18 ` [RFC v3 6/6] xen/arm: Implement toolstack for xl restore/save/migration Wei Huang
2014-05-14 13:20   ` Ian Campbell
2014-05-14 13:24     ` Andrew Cooper
2014-05-11  9:23 ` [RFC v3 0/6] xen/arm: ARM save/restore/migration support Julien Grall
2014-05-12 14:37   ` Wei Huang
2014-05-13 14:41     ` Julien Grall
2014-05-12 14:17 ` Julien Grall
2014-05-12 14:52   ` Wei Huang
2014-05-12 15:01     ` Ian Campbell

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