linux-kernel - [PATCH V3] kvm:x86 :remove unnecessary recalculate_apic

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Message-Id: <1543916570-55054-1-git-send-email-peng.hao2@zte.com.cn>
Date:   Tue, 4 Dec 2018 17:42:50 +0800
From:   Peng Hao <peng.hao2@....com.cn>
To:     tglx@...utronix.de, pbonzini@...hat.com, rkrcmar@...hat.com
Cc:     x86@...nel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Peng Hao <peng.hao2@....com.cn>
Subject: [PATCH V3]  kvm:x86 :remove unnecessary recalculate_apic_map

In the previous code, the variable apic_sw_disabled influences
recalculate_apic_map. But in "KVM: x86: simplify kvm_apic_map"
(commit:3b5a5ffa928a3f875b0d5dd284eeb7c322e1688a),
the access to apic_sw_disabled in recalculate_apic_map has been
deleted.

Signed-off-by: Peng Hao <peng.hao2@....com.cn>
---
 arch/x86/kvm/lapic.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index fbb0e6d..a11fbf9 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -246,10 +246,9 @@ static inline void apic_set_spiv(struct kvm_lapic *apic, u32 val)
 
 	if (enabled != apic->sw_enabled) {
 		apic->sw_enabled = enabled;
-		if (enabled) {
+		if (enabled)
 			static_key_slow_dec_deferred(&apic_sw_disabled);
-			recalculate_apic_map(apic->vcpu->kvm);
-		} else
+		else
 			static_key_slow_inc(&apic_sw_disabled.key);
 	}
 }
-- 
1.8.3.1