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From: Robert Hoo <robert.hu@linux.intel.com>
To: kvm@vger.kernel.org, pbonzini@redhat.com,
	sean.j.christopherson@intel.com, xiaoyao.li@intel.com,
	vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com,
	joro@8bytes.org
Cc: robert.hu@intel.com, Robert Hoo <robert.hu@linux.intel.com>
Subject: [RFC PATCH 4/9] KVM:x86: Substitute kvm_update_cpuid_runtime() with kvm_{osxsave,pke}_update_cpuid() in kvm_set_cr4()
Date: Fri, 31 Jul 2020 10:42:22 +0800
Message-ID: <1596163347-18574-5-git-send-email-robert.hu@linux.intel.com> (raw)
In-Reply-To: <1596163347-18574-1-git-send-email-robert.hu@linux.intel.com>

Signed-off-by: Robert Hoo <robert.hu@linux.intel.com>
---
 arch/x86/kvm/x86.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 263ba47..e31dba2 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1006,8 +1006,10 @@ int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
 	    (!(cr4 & X86_CR4_PCIDE) && (old_cr4 & X86_CR4_PCIDE)))
 		kvm_mmu_reset_context(vcpu);
 
-	if ((cr4 ^ old_cr4) & (X86_CR4_OSXSAVE | X86_CR4_PKE))
-		kvm_update_cpuid_runtime(vcpu);
+	if ((cr4 ^ old_cr4) & X86_CR4_OSXSAVE)
+		kvm_osxsave_update_cpuid(vcpu, !!(cr4 & X86_CR4_OSXSAVE));
+	if ((cr4 ^ old_cr4) & X86_CR4_PKE)
+		kvm_pke_update_cpuid(vcpu, !!(cr4 & X86_CR4_PKE));
 
 	return 0;
 }
-- 
1.8.3.1


  parent reply index

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-31  2:42 [RFC PATCH 0/9] Split kvm_update_cpuid_runtime() Robert Hoo
2020-07-31  2:42 ` [RFC PATCH 1/9] KVM:x86: Abstract sub functions from kvm_update_cpuid_runtime() and kvm_vcpu_after_set_cpuid() Robert Hoo
2020-09-29  4:56   ` Sean Christopherson
2020-09-29  4:58   ` Sean Christopherson
2020-07-31  2:42 ` [RFC PATCH 2/9] KVM:x86: Substitute kvm_update_cpuid_runtime() with kvm_apic_base_update_cpuid() in kvm_lapic_set_base() Robert Hoo
2020-07-31  2:42 ` [RFC PATCH 3/9] KVM:x86: Substitute kvm_update_cpuid_runtime() with kvm_xcr0_update_cpuid() in __kvm_set_xcr() Robert Hoo
2020-07-31  2:42 ` Robert Hoo [this message]
2020-07-31  2:42 ` [RFC PATCH 5/9] KVM:x86: Substitute kvm_update_cpuid_runtime() with kvm_mwait_update_cpuid() in kvm_set_msr_common() Robert Hoo
2020-07-31  2:42 ` [RFC PATCH 6/9] KVM:x86: Substitute kvm_update_cpuid_runtime() with kvm_{osxsave,pke}_update_cpuid() in enter_smm() Robert Hoo
2020-07-31  2:42 ` [RFC PATCH 7/9] KVM:x86: Substitute kvm_update_cpuid_runtime() with kvm_{osxsave,pke}_update_cpuid() in __set_sregs() Robert Hoo
2020-07-31  2:42 ` [RFC PATCH 8/9] KVM:x86: Substitute kvm_vcpu_after_set_cpuid() with abstracted functions Robert Hoo
2020-07-31  2:42 ` [RFC PATCH 9/9] KVM:x86: Remove kvm_update_cpuid_runtime() Robert Hoo

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