1 // SPDX-License-Identifier: GPL-2.0-only
4 #define KVM_MMU_LOCK_H 1
7 * Architectures can choose whether to use an rwlock or spinlock
8 * for the mmu_lock. These macros, for use in common code
9 * only, avoids using #ifdefs in places that must deal with
10 * multiple architectures.
13 #ifdef KVM_HAVE_MMU_RWLOCK
14 #define KVM_MMU_LOCK_INIT(kvm) rwlock_init(&(kvm)->mmu_lock)
15 #define KVM_MMU_LOCK(kvm) write_lock(&(kvm)->mmu_lock)
16 #define KVM_MMU_UNLOCK(kvm) write_unlock(&(kvm)->mmu_lock)
18 #define KVM_MMU_LOCK_INIT(kvm) spin_lock_init(&(kvm)->mmu_lock)
19 #define KVM_MMU_LOCK(kvm) spin_lock(&(kvm)->mmu_lock)
20 #define KVM_MMU_UNLOCK(kvm) spin_unlock(&(kvm)->mmu_lock)
21 #endif /* KVM_HAVE_MMU_RWLOCK */