linux-kernel - [PATCH] KVM : remove redundant assignment of var new

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Message-ID: <20190812023300.20153-1-linmiaohe@huawei.com>
Date:   Mon, 12 Aug 2019 10:33:00 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <joro@...tes.org>, <pbonzini@...hat.com>, <rkrcmar@...hat.com>,
        <tglx@...utronix.de>, <mingo@...hat.com>, <bp@...en8.de>,
        <hpa@...or.com>, <x86@...nel.org>, <kvm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <linmiaohe@...wei.com>, <mingfangsen@...wei.com>
Subject: [PATCH] KVM : remove redundant assignment of var new_entry

new_entry is reassigned a new value next line. So
it's redundant and remove it.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 arch/x86/kvm/svm.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index d685491fce4d..e3d3b2128f2b 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1714,7 +1714,6 @@ static int avic_init_backing_page(struct kvm_vcpu *vcpu)
 	if (!entry)
 		return -EINVAL;
 
-	new_entry = READ_ONCE(*entry);
 	new_entry = __sme_set((page_to_phys(svm->avic_backing_page) &
 			      AVIC_PHYSICAL_ID_ENTRY_BACKING_PAGE_MASK) |
 			      AVIC_PHYSICAL_ID_ENTRY_VALID_MASK);
-- 
2.21.GIT