linux-kernel - [PATCH v2 1/3] KVM: arm64: Hide kvm_mmu_wp_memory

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Date:   Tue, 16 Mar 2021 12:11:24 +0800
From:   Gavin Shan <gshan@...hat.com>
To:     kvmarm@...ts.cs.columbia.edu
Cc:     linux-kernel@...r.kernel.org, maz@...nel.org, will@...nel.org,
        zhukeqian1@...wei.com, shan.gavin@...il.com
Subject: [PATCH v2 1/3] KVM: arm64: Hide kvm_mmu_wp_memory_region()

We needn't expose the function as it's only used by mmu.c since it
was introduced by commit c64735554c0a ("KVM: arm: Add initial dirty
page locking support").

Signed-off-by: Gavin Shan <gshan@...hat.com>
Reviewed-by: Keqian Zhu <zhukeqian1@...wei.com>
---
 arch/arm64/include/asm/kvm_host.h | 1 -
 arch/arm64/kvm/mmu.c              | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 3d10e6527f7d..688f2df1957b 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -632,7 +632,6 @@ void kvm_arm_resume_guest(struct kvm *kvm);
 	})
 
 void force_vm_exit(const cpumask_t *mask);
-void kvm_mmu_wp_memory_region(struct kvm *kvm, int slot);
 
 int handle_exit(struct kvm_vcpu *vcpu, int exception_index);
 void handle_exit_early(struct kvm_vcpu *vcpu, int exception_index);
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index 8711894db8c2..28f3b3736dc8 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -555,7 +555,7 @@ static void stage2_wp_range(struct kvm_s2_mmu *mmu, phys_addr_t addr, phys_addr_
  * Acquires kvm_mmu_lock. Called with kvm->slots_lock mutex acquired,
  * serializing operations for VM memory regions.
  */
-void kvm_mmu_wp_memory_region(struct kvm *kvm, int slot)
+static void kvm_mmu_wp_memory_region(struct kvm *kvm, int slot)
 {
 	struct kvm_memslots *slots = kvm_memslots(kvm);
 	struct kvm_memory_slot *memslot = id_to_memslot(slots, slot);
-- 
2.23.0