KVM: protect kvm_usage_count with its own spinlock

[karo-tx-linux.git] / Documentation / virtual / kvm / locking.txt

diff --git a/Documentation/virtual/kvm/locking.txt b/Documentation/virtual/kvm/locking.txt
index a9f366e73c8eb064513054c3da38a9f4d6b5224a..ba9e1c2150c2f21ffa6e9315047648d3570ba9dc 100644 (file)
--- a/Documentation/virtual/kvm/locking.txt
+++ b/Documentation/virtual/kvm/locking.txt
@@ -135,7 +135,11 @@ Name:              kvm_lock
 Type:          raw_spinlock
 Arch:          any
 Protects:      - vm_list
-               - hardware virtualization enable/disable
+
+Name:          kvm_count_lock
+Type:          raw_spinlock_t
+Arch:          any
+Protects:      - hardware virtualization enable/disable
 Comment:       'raw' because hardware enabling/disabling must be atomic /wrt
                migration.