2022-12-12 08:36:25

by Lai Jiangshan

[permalink] [raw]
Subject: [PATCH V2] kvm: Remove the unused macro KVM_MMU_READ_[UN]LOCK()

From: Lai Jiangshan <[email protected]>

No code is using KVM_MMU_READ_[UN]LOCK().

Signed-off-by: Lai Jiangshan <[email protected]>
---
virt/kvm/kvm_mm.h | 4 ----
1 file changed, 4 deletions(-)

diff --git a/virt/kvm/kvm_mm.h b/virt/kvm/kvm_mm.h
index a1ab15006af3..180f1a09e6ba 100644
--- a/virt/kvm/kvm_mm.h
+++ b/virt/kvm/kvm_mm.h
@@ -14,14 +14,10 @@
#define KVM_MMU_LOCK_INIT(kvm) rwlock_init(&(kvm)->mmu_lock)
#define KVM_MMU_LOCK(kvm) write_lock(&(kvm)->mmu_lock)
#define KVM_MMU_UNLOCK(kvm) write_unlock(&(kvm)->mmu_lock)
-#define KVM_MMU_READ_LOCK(kvm) read_lock(&(kvm)->mmu_lock)
-#define KVM_MMU_READ_UNLOCK(kvm) read_unlock(&(kvm)->mmu_lock)
#else
#define KVM_MMU_LOCK_INIT(kvm) spin_lock_init(&(kvm)->mmu_lock)
#define KVM_MMU_LOCK(kvm) spin_lock(&(kvm)->mmu_lock)
#define KVM_MMU_UNLOCK(kvm) spin_unlock(&(kvm)->mmu_lock)
-#define KVM_MMU_READ_LOCK(kvm) spin_lock(&(kvm)->mmu_lock)
-#define KVM_MMU_READ_UNLOCK(kvm) spin_unlock(&(kvm)->mmu_lock)
#endif /* KVM_HAVE_MMU_RWLOCK */

kvm_pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool interruptible,
--
2.19.1.6.gb485710b