From: George Dunlap <george.dunlap@eu.citrix.com>
To: Ian Campbell <Ian.Campbell@citrix.com>, xen-devel@lists.xen.org
Cc: julien.grall@linaro.org, tim@xen.org, stefano.stabellini@eu.citrix.com
Subject: Re: [PATCH v2] xen: arm: Enable 1:1 workaround by default
Date: Wed, 4 Dec 2013 17:22:17 +0000 [thread overview]
Message-ID: <529F64C9.9060808@eu.citrix.com> (raw)
In-Reply-To: <1386177327.17466.106.camel@kazak.uk.xensource.com>
On 12/04/2013 05:15 PM, Ian Campbell wrote:
> I forgot to CC George and make a release exception case.
>
> Basically it is impossible to have a system which doesn't use the 1:1
> map with 4.4 due to the lack of an iommu driver. Given this it is silly
> to require every platform to enable this "quirk" and it's not
> necessarily something which someone would think to enable when adding a
> new platform, so it's just an unnecessary bear trap. (The down side of
> not enabling 1:1 is weird I/O errors from dom0)
>
> The patch is simple and low risk.
Sounds reasonable:
Release-acked-by: George Dunlap <george.dunlap@eu.citrix.com>
next prev parent reply other threads:[~2013-12-04 17:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-04 14:54 [PATCH v2] xen: arm: Enable 1:1 workaround by default Ian Campbell
2013-12-04 14:58 ` Julien Grall
2013-12-04 17:15 ` Ian Campbell
2013-12-04 17:22 ` George Dunlap [this message]
2013-12-04 17:32 ` Ian Campbell
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