From: Quanfa Fu <quanfafu@gmail.com>
To: pbonzini@redhat.com, seanjc@google.com, vkuznets@redhat.com,
wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org,
tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
dave.hansen@linux.intel.com, hpa@zytor.com
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org, Quanfa Fu <quanfafu@gmail.com>
Subject: [PATCH v2] KVM/X86: Remove unneeded variable
Date: Mon, 20 Dec 2021 20:24:59 +0800 [thread overview]
Message-ID: <20211220122459.181542-1-quanfafu@gmail.com> (raw)
Remove unneeded variable used to store return value.
Replace `gpa >> PAGE_SHIFT` with `gpa_to_gfn(gpa)`
No functional change intended.
Suggested-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Quanfa Fu <quanfafu@gmail.com>
---
arch/x86/kvm/mmu/mmu.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index e2e1d012df22..61e35170ee2e 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -2553,16 +2553,13 @@ int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn)
static int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva)
{
gpa_t gpa;
- int r;
if (vcpu->arch.mmu->direct_map)
return 0;
gpa = kvm_mmu_gva_to_gpa_read(vcpu, gva, NULL);
- r = kvm_mmu_unprotect_page(vcpu->kvm, gpa >> PAGE_SHIFT);
-
- return r;
+ return kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(gpa));
}
static void kvm_unsync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
--
2.25.1
reply other threads:[~2021-12-20 12:25 UTC|newest]
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