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Message-Id: <20230331071929.102070-1-haiwenyao@uniontech.com>
Date: Fri, 31 Mar 2023 15:19:29 +0800
From: Wenyao Hai <haiwenyao@...ontech.com>
To: seanjc@...gle.com, pbonzini@...hat.com, tglx@...utronix.de,
mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com
Cc: x86@...nel.org, hpa@...or.com, kvm@...r.kernel.org,
linux-kernel@...r.kernel.org, Wenyao Hai <haiwenyao@...ontech.com>
Subject: [PATCH] KVM: VMX: Reduce redundant call and simplify code
Use vcpu->arch.pat = data instead of kvm_set_msr_common() to
simplify code, avoid redundant judgements.
Signed-off-by: Wenyao Hai <haiwenyao@...ontech.com>
---
arch/x86/kvm/vmx/vmx.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index d2d6e1b6c788..abeeea21c8ef 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -2320,12 +2320,10 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
get_vmcs12(vcpu)->vm_exit_controls & VM_EXIT_SAVE_IA32_PAT)
get_vmcs12(vcpu)->guest_ia32_pat = data;
- if (vmcs_config.vmentry_ctrl & VM_ENTRY_LOAD_IA32_PAT) {
+ if (vmcs_config.vmentry_ctrl & VM_ENTRY_LOAD_IA32_PAT)
vmcs_write64(GUEST_IA32_PAT, data);
- vcpu->arch.pat = data;
- break;
- }
- ret = kvm_set_msr_common(vcpu, msr_info);
+
+ vcpu->arch.pat = data;
break;
case MSR_IA32_MCG_EXT_CTL:
if ((!msr_info->host_initiated &&
--
2.25.1
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