linux-kernel - [PATCH 06/11] KVM: SVM: remove dead field from struct svm_cpu

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Date:   Wed,  9 Nov 2022 09:51:51 -0500
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Cc:     thomas.lendacky@....com, jmattson@...gle.com, seanjc@...gle.com
Subject: [PATCH 06/11] KVM: SVM: remove dead field from struct svm_cpu_data

The "cpu" field of struct svm_cpu_data has been write-only since commit
4b656b120249 ("KVM: SVM: force new asid on vcpu migration", 2009-08-05).
Remove it.

Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
---
 arch/x86/kvm/svm/svm.c | 1 -
 arch/x86/kvm/svm/svm.h | 2 --
 2 files changed, 3 deletions(-)

diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 0c86c435c51f..0f873b298931 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -665,7 +665,6 @@ static int svm_cpu_init(int cpu)
 	sd = kzalloc(sizeof(struct svm_cpu_data), GFP_KERNEL);
 	if (!sd)
 		return ret;
-	sd->cpu = cpu;
 	sd->save_area = alloc_page(GFP_KERNEL | __GFP_ZERO);
 	if (!sd->save_area)
 		goto free_cpu_data;
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 626240707ba9..7540db9902a6 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -280,8 +280,6 @@ struct vcpu_svm {
 };
 
 struct svm_cpu_data {
-	int cpu;
-
 	u64 asid_generation;
 	u32 max_asid;
 	u32 next_asid;
-- 
2.31.1