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authorAvi Kivity <avi@redhat.com>2010-04-01 07:39:21 -0400
committerAvi Kivity <avi@redhat.com>2010-05-17 05:17:22 -0400
commit647dc49eebad2c30f823cae2bd8204b66c739f9c (patch)
treef968fd43cc73609d1bc401483e8f0785aa4ac400 /Documentation/kvm/api.txt
parent05b0ab1c0bb526ac1056bab356ee92cfd6daa6fd (diff)
KVM: Document replacements for KVM_EXIT_HYPERCALL
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'Documentation/kvm/api.txt')
-rw-r--r--Documentation/kvm/api.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/kvm/api.txt b/Documentation/kvm/api.txt
index 6f362356e738..baa8fde8bd16 100644
--- a/Documentation/kvm/api.txt
+++ b/Documentation/kvm/api.txt
@@ -974,7 +974,9 @@ pending operations.
974 __u32 pad; 974 __u32 pad;
975 } hypercall; 975 } hypercall;
976 976
977Unused. 977Unused. This was once used for 'hypercall to userspace'. To implement
978such functionality, use KVM_EXIT_IO (x86) or KVM_EXIT_MMIO (all except s390).
979Note KVM_EXIT_IO is significantly faster than KVM_EXIT_MMIO.
978 980
979 /* KVM_EXIT_TPR_ACCESS */ 981 /* KVM_EXIT_TPR_ACCESS */
980 struct { 982 struct {