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[Xen-devel] [PATCH 2/2] x86/xen: document CONFIG_XEN_PVH option

Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx>
 arch/x86/xen/Kconfig |    8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
index e88fda8..77b7938 100644
--- a/arch/x86/xen/Kconfig
+++ b/arch/x86/xen/Kconfig
@@ -50,3 +50,11 @@ config XEN_PVH
        bool "Support for running as a PVH guest"
        depends on X86_64 && XEN && XEN_PVHVM
        def_bool n
+       help
+         PVH is an experimental guest mode that is a cross between
+         full PV and HVM. The hypervisor ABI for PVH guests is not
+         yet stable and this kernel may not boot in PVH mode on later
+         Xen hypervisors.
+         Do not enable this option unless you are a developer working
+         on PVH guest support.

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