linux-kernel - [PATCH] RISC-V: KVM: use vma_lookup() instead of find_vma

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Message-ID: <20221101053811.5884-1-liubo03@inspur.com>
Date:   Tue, 1 Nov 2022 01:38:11 -0400
From:   Bo Liu <liubo03@...pur.com>
To:     <anup@...infault.org>, <atishp@...shpatra.org>,
        <paul.walmsley@...ive.com>, <palmer@...belt.com>,
        <aou@...s.berkeley.edu>
CC:     <kvm@...r.kernel.org>, <kvm-riscv@...ts.infradead.org>,
        <linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        Bo Liu <liubo03@...pur.com>
Subject: [PATCH] RISC-V: KVM: use vma_lookup() instead of find_vma_intersection()

vma_lookup() finds the vma of a specific address with a cleaner interface
and is more readable.

Signed-off-by: Bo Liu <liubo03@...pur.com>
---
 arch/riscv/kvm/mmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/kvm/mmu.c b/arch/riscv/kvm/mmu.c
index 3620ecac2fa1..5942d10c9736 100644
--- a/arch/riscv/kvm/mmu.c
+++ b/arch/riscv/kvm/mmu.c
@@ -632,7 +632,7 @@ int kvm_riscv_gstage_map(struct kvm_vcpu *vcpu,
 
 	mmap_read_lock(current->mm);
 
-	vma = find_vma_intersection(current->mm, hva, hva + 1);
+	vma = vma_lookup(current->mm, hva);
 	if (unlikely(!vma)) {
 		kvm_err("Failed to find VMA for hva 0x%lx\n", hva);
 		mmap_read_unlock(current->mm);
-- 
2.27.0