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yaml --- r: 215854 b: refs/heads/master c: d1e87c7 h: refs/heads/master v: v3
git-mirror · Oct 24, 2010 · e24200a · e24200a
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diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 344941beb9926418663e171a347d1a31d727fe45
+refs/heads/master: d1e87c7ee65a20b10faf7e59dbe2cc934c32473b
diff --git a/trunk/Documentation/kvm/ppc-pv.txt b/trunk/Documentation/kvm/ppc-pv.txt
@@ -102,6 +102,20 @@ struct kvm_vcpu_arch_shared {
 Additions to the page must only occur at the end. Struct fields are always 32
 or 64 bit aligned, depending on them being 32 or 64 bit wide respectively.
 
+Magic page features
+===================
+
+When mapping the magic page using the KVM hypercall KVM_HC_PPC_MAP_MAGIC_PAGE,
+a second return value is passed to the guest. This second return value contains
+a bitmap of available features inside the magic page.
+
+The following enhancements to the magic page are currently available:
+
+  KVM_MAGIC_FEAT_SR		Maps SR registers r/w in the magic page
+
+For enhanced features in the magic page, please check for the existence of the
+feature before using them!
+
 MSR bits
 ========