KVM: Convert vm lock to a mutex

This allows the kvm mmu to perform sleepy operations, such as memory
allocation.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
index 0667183ecbed..1072c8322d4f 100644
--- a/drivers/kvm/kvm.h
+++ b/drivers/kvm/kvm.h
@@ -393,7 +393,7 @@ struct kvm_memory_slot {
 };
 
 struct kvm {
-        spinlock_t lock; /* protects everything except vcpus */
+        struct mutex lock; /* protects everything except vcpus */
         int naliases;
         struct kvm_mem_alias aliases[KVM_ALIAS_SLOTS];
         int nmemslots;