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-rw-r--r--Documentation/virt/kvm/api.rst8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index c8ab2f730945..103f945959ed 100644
--- a/Documentation/virt/kvm/api.rst
+++ b/Documentation/virt/kvm/api.rst
@@ -6244,6 +6244,14 @@ Definition of ``flags``:
conduit to initiate the SMCCC call. If this bit is 0 then the guest
used the HVC conduit for the SMCCC call.
+ - ``KVM_HYPERCALL_EXIT_16BIT``: Indicates that the guest used a 16bit
+ instruction to initiate the SMCCC call. If this bit is 0 then the
+ guest used a 32bit instruction. An AArch64 guest always has this
+ bit set to 0.
+
+At the point of exit, PC points to the instruction immediately following
+the trapping instruction.
+
::
/* KVM_EXIT_TPR_ACCESS */