diff options
Diffstat (limited to 'arch/s390/kvm/kvm-s390.h')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h index ec5eee7c25d8..60f09ab3672c 100644 --- a/arch/s390/kvm/kvm-s390.h +++ b/arch/s390/kvm/kvm-s390.h @@ -58,7 +58,7 @@ int kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu, int kvm_s390_inject_program_int(struct kvm_vcpu *vcpu, u16 code); int kvm_s390_inject_sigp_stop(struct kvm_vcpu *vcpu, int action); -static inline int kvm_s390_vcpu_get_memsize(struct kvm_vcpu *vcpu) +static inline long kvm_s390_vcpu_get_memsize(struct kvm_vcpu *vcpu) { return vcpu->arch.sie_block->gmslm - vcpu->arch.sie_block->gmsor @@ -67,10 +67,14 @@ static inline int kvm_s390_vcpu_get_memsize(struct kvm_vcpu *vcpu) static inline void kvm_s390_vcpu_set_mem(struct kvm_vcpu *vcpu) { + int idx; struct kvm_memory_slot *mem; + struct kvm_memslots *memslots; - down_read(&vcpu->kvm->slots_lock); - mem = &vcpu->kvm->memslots[0]; + idx = srcu_read_lock(&vcpu->kvm->srcu); + memslots = rcu_dereference(vcpu->kvm->memslots); + + mem = &memslots->memslots[0]; vcpu->arch.sie_block->gmsor = mem->userspace_addr; vcpu->arch.sie_block->gmslm = @@ -78,7 +82,7 @@ static inline void kvm_s390_vcpu_set_mem(struct kvm_vcpu *vcpu) (mem->npages << PAGE_SHIFT) + VIRTIODESCSPACE - 1ul; - up_read(&vcpu->kvm->slots_lock); + srcu_read_unlock(&vcpu->kvm->srcu, idx); } /* implemented in priv.c */ |