[PATCH v2 1/6] KVM: stats: Add capability description for KVM binary stats

The binary stats capability description was lost during merge of
the binary stats patch.

Fixes: fdc09ddd4064 ("KVM: stats: Add documentation for binary statistics interface")

Signed-off-by: Jing Zhang <[email protected]>
---
 Documentation/virt/kvm/api.rst | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index b9ddce5638f5..889b19a58b33 100644
--- a/Documentation/virt/kvm/api.rst
+++ b/Documentation/virt/kvm/api.rst
@@ -7241,3 +7241,11 @@ The argument to KVM_ENABLE_CAP is also a bitmask, and must be a subset
 of the result of KVM_CHECK_EXTENSION.  KVM will forward to userspace
 the hypercalls whose corresponding bit is in the argument, and return
 ENOSYS for the others.
+
+8.35 KVM_CAP_BINARY_STATS_FD
+----------------------------
+
+:Architectures: all
+
+This capability indicates the feature that userspace can get a file descriptor
+for every VM and VCPU to read statistics data in binary format.
-- 
2.32.0.402.g57bb445576-goog