From: Stefano Stabellini <sstabellini@kernel.org>
To: Ian Jackson <ian.jackson@eu.citrix.com>
Cc: xen-devel@lists.xensource.com, Wei Liu <wei.liu2@citrix.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Fu Wei <fu.wei@linaro.org>
Subject: Re: [PATCH] docs/arm64: clarify the documention for loading XSM support
Date: Tue, 26 Apr 2016 10:47:34 +0100 (BST) [thread overview]
Message-ID: <alpine.DEB.2.10.1604261047070.24872@sstabellini-ThinkPad-X260> (raw)
In-Reply-To: <1461598536-28774-1-git-send-email-ian.jackson@eu.citrix.com>
On Mon, 25 Apr 2016, Ian Jackson wrote:
> From: Fu Wei <fu.wei@linaro.org>
>
> Improve the clarity of the wording introduced in 67831c4c
> "docs/arm64: update the documentation for loading XSM support"
>
> Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
> CC: Fu Wei <fu.wei@linaro.org>
> CC: Julien Grall <julien.grall@arm.com>,
> CC: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Added to my queue.
> docs/misc/arm/device-tree/booting.txt | 31 ++++++++++++++++++-------------
> 1 file changed, 18 insertions(+), 13 deletions(-)
>
> diff --git a/docs/misc/arm/device-tree/booting.txt b/docs/misc/arm/device-tree/booting.txt
> index cae46eda..f3179d6 100644
> --- a/docs/misc/arm/device-tree/booting.txt
> +++ b/docs/misc/arm/device-tree/booting.txt
> @@ -26,19 +26,24 @@ Each node contains the following properties:
> Xen will assume that the first module which lacks a more
> specific compatible string is a "multiboot,kernel".
>
> - Xen will check all the modules for the XSM Magic from the second
> - module that lacks a specific compatible string. According to the
> - result of the detection:
> - - if it's an XSM, Xen will assume its compatible string is
> - "xen,xsm-policy";
> - - if it's not an XSM, for the second module that lacks a specific
> - compatible string, Xen will assume its compatible string is
> - "multiboot,ramdisk"; the third and subsequent modules that
> - lack a specific compatible string will not receive any special
> - treatment.
> - This means that if the ramdisk module is present and does not have
> - the compatible string "multiboot,ramdisk", then it must always be
> - the second module.
> + Xen will examine each module, starting from the second
> + module that lacks a specific compatible string. Xen will
> + check each such module for the XSM Magic number:
> +
> + - For a module which has the XSM Magic number: it will be
> + treated by Xen as if its compatible string was
> + "xen,xsm-policy";
> +
> + - For a module which does not have the XSM Magic: the second
> + module lacking a compatible string will be treated by Xen as
> + if its compatible string was "multiboot,ramdisk"; for the
> + third and subsequent modules which lack a specific
> + compatible string, Xen will not apply any special treatment.
> +
> + This means if the ramdisk module is present and does not have the
> + compatible string "multiboot,ramdisk", then it must always be the
> + second module.
> +
> Note: This XSM Magic detection behavior was introduced by Xen 4.7.
> Xen 4.6 (and downwards) still requires the XSM module to have the
> compatible string "xen,xsm-policy".
> --
> 1.7.10.4
>
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next prev parent reply other threads:[~2016-04-26 9:47 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-21 11:07 [PATCH v2] docs/arm64: update the documention for loading XSM support fu.wei
2016-04-21 11:40 ` Jan Beulich
2016-04-26 14:00 ` Fu Wei
2016-04-22 16:40 ` Julien Grall
2016-04-22 16:41 ` Julien Grall
2016-04-22 16:43 ` Wei Liu
2016-04-22 17:28 ` Stefano Stabellini
2016-04-22 17:37 ` Ian Jackson
2016-04-22 17:29 ` [PATCH v3] " Ian Jackson
2016-04-22 17:37 ` Konrad Rzeszutek Wilk
2016-04-25 9:42 ` Julien Grall
2016-04-25 15:12 ` Ian Jackson
2016-04-25 15:25 ` Stefano Stabellini
2016-04-25 15:35 ` [PATCH] docs/arm64: clarify " Ian Jackson
2016-04-25 16:16 ` Julien Grall
2016-04-25 16:35 ` Ian Jackson
2016-04-25 16:38 ` [PATCH v2] " Ian Jackson
2016-04-25 16:45 ` Julien Grall
2016-04-25 16:49 ` Wei Liu
2016-04-26 9:47 ` Stefano Stabellini [this message]
2016-04-26 9:56 ` [PATCH] " Wei Liu
2016-04-26 9:57 ` Stefano Stabellini
2016-04-26 14:03 ` [PATCH v3] docs/arm64: update " Fu Wei
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