KVM: protect concurrent make_all_cpus_request

[linux-2.6-block.git] / include / linux / kvm_host.h

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index aacc5449f586376a6551518c2a946a7a151ada46..16713dc672e4215b4ae2b092980181cdf29a12e4 100644 (file)
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -125,6 +125,7 @@ struct kvm_kernel_irq_routing_entry {
 struct kvm {
        struct mutex lock; /* protects the vcpus array and APIC accesses */
        spinlock_t mmu_lock;
+       spinlock_t requests_lock;
        struct rw_semaphore slots_lock;
        struct mm_struct *mm; /* userspace tied to this vm */
        int nmemslots;