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Message-Id: <20210316041126.81860-3-gshan@redhat.com>
Date: Tue, 16 Mar 2021 12:11:25 +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 2/3] KVM: arm64: Use find_vma_intersection()
find_vma_intersection() has been existing to search the intersected
vma. This uses the function where it's applicable, to simplify the
code.
Signed-off-by: Gavin Shan <gshan@...hat.com>
Reviewed-by: Keqian Zhu <zhukeqian1@...wei.com>
---
arch/arm64/kvm/mmu.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index 28f3b3736dc8..192e0df2fc8e 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -421,10 +421,11 @@ static void stage2_unmap_memslot(struct kvm *kvm,
* +--------------------------------------------+
*/
do {
- struct vm_area_struct *vma = find_vma(current->mm, hva);
+ struct vm_area_struct *vma;
hva_t vm_start, vm_end;
- if (!vma || vma->vm_start >= reg_end)
+ vma = find_vma_intersection(current->mm, hva, reg_end);
+ if (!vma)
break;
/*
@@ -1329,10 +1330,11 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
* +--------------------------------------------+
*/
do {
- struct vm_area_struct *vma = find_vma(current->mm, hva);
+ struct vm_area_struct *vma;
hva_t vm_start, vm_end;
- if (!vma || vma->vm_start >= reg_end)
+ vma = find_vma_intersection(current->mm, hva, reg_end);
+ if (!vma)
break;
/*
--
2.23.0
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