linux-kernel - [PATCH 6/9] x86/fpu,kvm: remove kvm vcpu->fpu

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Message-Id: <1475627678-20788-7-git-send-email-riel@redhat.com>
Date:   Tue,  4 Oct 2016 20:34:35 -0400
From:   riel@...hat.com
To:     linux-kernel@...r.kernel.org
Cc:     dave.hansen@...ux.intel.com, x86@...nel.org, tglx@...utronix.de,
        pbonzini@...hat.com, mingo@...hat.com, luto@...nel.org,
        pa@...or.com, bp@...e.de
Subject: [PATCH 6/9] x86/fpu,kvm: remove kvm vcpu->fpu_counter

From: Rik van Riel <riel@...hat.com>

With the removal of the lazy FPU code, this field is no longer used.
Get rid of it.

Signed-off-by: Rik van Riel <riel@...hat.com>
---
 arch/x86/kvm/x86.c       | 4 +---
 include/linux/kvm_host.h | 1 -
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 59d7761fd6df..2c7e775d7295 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -7348,10 +7348,8 @@ void kvm_load_guest_fpu(struct kvm_vcpu *vcpu)
 
 void kvm_put_guest_fpu(struct kvm_vcpu *vcpu)
 {
-	if (!vcpu->guest_fpu_loaded) {
-		vcpu->fpu_counter = 0;
+	if (!vcpu->guest_fpu_loaded)
 		return;
-	}
 
 	vcpu->guest_fpu_loaded = 0;
 	copy_fpregs_to_fpstate(&vcpu->arch.guest_fpu);
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 9c28b4d4c90b..4e6905cd1e8e 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -224,7 +224,6 @@ struct kvm_vcpu {
 
 	int fpu_active;
 	int guest_fpu_loaded, guest_xcr0_loaded;
-	unsigned char fpu_counter;
 	struct swait_queue_head wq;
 	struct pid *pid;
 	int sigset_active;
-- 
2.7.4