[Xen-devel] [PATCH] version: Document guest_handle

[Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>]

And what it is usually used for.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
---
 xen/include/public/version.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/xen/include/public/version.h b/xen/include/public/version.h
index adca602..b97fc68 100644
--- a/xen/include/public/version.h
+++ b/xen/include/public/version.h
@@ -79,6 +79,10 @@ typedef struct xen_feature_info xen_feature_info_t;
 #define XENVER_pagesize 7
 
 /* arg == xen_domain_handle_t. */
+/*
+ * The toolstack fills it out for the guest consumption. Usually it is
+ * the UUID of the guest but can be anything.
+ */
 #define XENVER_guest_handle 8
 
 #define XENVER_commandline 9
-- 
2.5.0


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