1 files changed, 20 insertions, 11 deletions

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index b5021db21858..ab428552af8e 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -43,6 +43,7 @@
 #define KVM_REQ_DEACTIVATE_FPU    10
 #define KVM_REQ_EVENT             11
 #define KVM_REQ_APF_HALT          12
+#define KVM_REQ_NMI               13
 
 #define KVM_USERSPACE_IRQ_SOURCE_ID     0
 
@@ -98,23 +99,31 @@ int kvm_setup_async_pf(struct kvm_vcpu *vcpu, gva_t gva, gfn_t gfn,
 int kvm_async_pf_wakeup_all(struct kvm_vcpu *vcpu);
 #endif
 
+enum {
+        OUTSIDE_GUEST_MODE,
+        IN_GUEST_MODE,
+        EXITING_GUEST_MODE
+};
+
 struct kvm_vcpu {
         struct kvm *kvm;
 #ifdef CONFIG_PREEMPT_NOTIFIERS
         struct preempt_notifier preempt_notifier;
 #endif
+        int cpu;
         int vcpu_id;
-        struct mutex mutex;
-        int   cpu;
-        atomic_t guest_mode;
-        struct kvm_run *run;
+        int srcu_idx;
+        int mode;
         unsigned long requests;
         unsigned long guest_debug;
-        int srcu_idx;
+
+        struct mutex mutex;
+        struct kvm_run *run;
 
         int fpu_active;
         int guest_fpu_loaded, guest_xcr0_loaded;
         wait_queue_head_t wq;
+        struct pid *pid;
         int sigset_active;
         sigset_t sigset;
         struct kvm_vcpu_stat stat;
@@ -140,6 +149,11 @@ struct kvm_vcpu {
         struct kvm_vcpu_arch arch;
 };
 
+static inline int kvm_vcpu_exiting_guest_mode(struct kvm_vcpu *vcpu)
+{
+        return cmpxchg(&vcpu->mode, IN_GUEST_MODE, EXITING_GUEST_MODE);
+}
+
 /*
  * Some of the bitops functions do not support too long bitmaps.
  * This number must be determined not to exceed such limits.
@@ -212,7 +226,6 @@ struct kvm_memslots {
 
 struct kvm {
         spinlock_t mmu_lock;
-        raw_spinlock_t requests_lock;
         struct mutex slots_lock;
         struct mm_struct *mm; /* userspace tied to this vm */
         struct kvm_memslots *memslots;
@@ -223,6 +236,7 @@ struct kvm {
 #endif
         struct kvm_vcpu *vcpus[KVM_MAX_VCPUS];
         atomic_t online_vcpus;
+        int last_boosted_vcpu;
         struct list_head vm_list;
         struct mutex lock;
         struct kvm_io_bus *buses[KVM_NR_BUSES];
@@ -719,11 +733,6 @@ static inline void kvm_make_request(int req, struct kvm_vcpu *vcpu)
         set_bit(req, &vcpu->requests);
 }
 
-static inline bool kvm_make_check_request(int req, struct kvm_vcpu *vcpu)
-{
-        return test_and_set_bit(req, &vcpu->requests);
-}
-
 static inline bool kvm_check_request(int req, struct kvm_vcpu *vcpu)
 {
         if (test_bit(req, &vcpu->requests)) {