diff options
-rw-r--r-- | include/linux/kvm_host.h | 6 | ||||
-rw-r--r-- | virt/kvm/kvm_main.c | 9 |
2 files changed, 3 insertions, 12 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index b99eacd988ab..c8dee22b1945 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h | |||
@@ -224,7 +224,6 @@ struct kvm_memslots { | |||
224 | 224 | ||
225 | struct kvm { | 225 | struct kvm { |
226 | spinlock_t mmu_lock; | 226 | spinlock_t mmu_lock; |
227 | raw_spinlock_t requests_lock; | ||
228 | struct mutex slots_lock; | 227 | struct mutex slots_lock; |
229 | struct mm_struct *mm; /* userspace tied to this vm */ | 228 | struct mm_struct *mm; /* userspace tied to this vm */ |
230 | struct kvm_memslots *memslots; | 229 | struct kvm_memslots *memslots; |
@@ -731,11 +730,6 @@ static inline void kvm_make_request(int req, struct kvm_vcpu *vcpu) | |||
731 | set_bit(req, &vcpu->requests); | 730 | set_bit(req, &vcpu->requests); |
732 | } | 731 | } |
733 | 732 | ||
734 | static inline bool kvm_make_check_request(int req, struct kvm_vcpu *vcpu) | ||
735 | { | ||
736 | return test_and_set_bit(req, &vcpu->requests); | ||
737 | } | ||
738 | |||
739 | static inline bool kvm_check_request(int req, struct kvm_vcpu *vcpu) | 733 | static inline bool kvm_check_request(int req, struct kvm_vcpu *vcpu) |
740 | { | 734 | { |
741 | if (test_bit(req, &vcpu->requests)) { | 735 | if (test_bit(req, &vcpu->requests)) { |
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 19209f849cf7..4856a7dcbd7f 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c | |||
@@ -165,11 +165,9 @@ static bool make_all_cpus_request(struct kvm *kvm, unsigned int req) | |||
165 | 165 | ||
166 | zalloc_cpumask_var(&cpus, GFP_ATOMIC); | 166 | zalloc_cpumask_var(&cpus, GFP_ATOMIC); |
167 | 167 | ||
168 | raw_spin_lock(&kvm->requests_lock); | 168 | me = get_cpu(); |
169 | me = smp_processor_id(); | ||
170 | kvm_for_each_vcpu(i, vcpu, kvm) { | 169 | kvm_for_each_vcpu(i, vcpu, kvm) { |
171 | if (kvm_make_check_request(req, vcpu)) | 170 | kvm_make_request(req, vcpu); |
172 | continue; | ||
173 | cpu = vcpu->cpu; | 171 | cpu = vcpu->cpu; |
174 | 172 | ||
175 | /* Set ->requests bit before we read ->mode */ | 173 | /* Set ->requests bit before we read ->mode */ |
@@ -185,7 +183,7 @@ static bool make_all_cpus_request(struct kvm *kvm, unsigned int req) | |||
185 | smp_call_function_many(cpus, ack_flush, NULL, 1); | 183 | smp_call_function_many(cpus, ack_flush, NULL, 1); |
186 | else | 184 | else |
187 | called = false; | 185 | called = false; |
188 | raw_spin_unlock(&kvm->requests_lock); | 186 | put_cpu(); |
189 | free_cpumask_var(cpus); | 187 | free_cpumask_var(cpus); |
190 | return called; | 188 | return called; |
191 | } | 189 | } |
@@ -468,7 +466,6 @@ static struct kvm *kvm_create_vm(void) | |||
468 | kvm->mm = current->mm; | 466 | kvm->mm = current->mm; |
469 | atomic_inc(&kvm->mm->mm_count); | 467 | atomic_inc(&kvm->mm->mm_count); |
470 | spin_lock_init(&kvm->mmu_lock); | 468 | spin_lock_init(&kvm->mmu_lock); |
471 | raw_spin_lock_init(&kvm->requests_lock); | ||
472 | kvm_eventfd_init(kvm); | 469 | kvm_eventfd_init(kvm); |
473 | mutex_init(&kvm->lock); | 470 | mutex_init(&kvm->lock); |
474 | mutex_init(&kvm->irq_lock); | 471 | mutex_init(&kvm->irq_lock); |