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From: Xiao Guangrong <guangrong.xiao@linux.intel.com>
To: pbonzini@redhat.com
Cc: gleb@kernel.org, mtosatti@redhat.com, kvm@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Xiao Guangrong <guangrong.xiao@linux.intel.com>
Subject: [PATCH v2 3/8] KVM: VMX: drop rdtscp_enabled check in prepare_vmcs02()
Date: Wed,  9 Sep 2015 14:05:52 +0800	[thread overview]
Message-ID: <1441778757-5866-4-git-send-email-guangrong.xiao@linux.intel.com> (raw)
In-Reply-To: <1441778757-5866-1-git-send-email-guangrong.xiao@linux.intel.com>

SECONDARY_EXEC_RDTSCP set for L2 guest comes from vmcs12

Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
---
 arch/x86/kvm/vmx.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 073cbc8..61d44b0 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -9323,8 +9323,7 @@ static void prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12)
 
 	if (cpu_has_secondary_exec_ctrls()) {
 		exec_control = vmx_secondary_exec_control(vmx);
-		if (!vmx->rdtscp_enabled)
-			exec_control &= ~SECONDARY_EXEC_RDTSCP;
+
 		/* Take the following fields only from vmcs12 */
 		exec_control &= ~(SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES |
 				  SECONDARY_EXEC_RDTSCP |
-- 
2.4.3


  parent reply	other threads:[~2015-09-09  6:12 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-09  6:05 [PATCH v2 0/8] KVM: x86: enable cflushopt/clwb/pcommit and simplify code Xiao Guangrong
2015-09-09  6:05 ` [PATCH v2 1/8] KVM: x86: allow guest to use cflushopt and clwb Xiao Guangrong
2015-09-09  6:05 ` [PATCH v2 2/8] KVM: x86: add pcommit support Xiao Guangrong
2015-09-15 15:30   ` Paolo Bonzini
2015-09-09  6:05 ` Xiao Guangrong [this message]
2015-09-09  6:05 ` [PATCH v2 4/8] KVM: VMX: simplify rdtscp handling in vmx_cpuid_update() Xiao Guangrong
2015-09-09  6:05 ` [PATCH v2 5/8] KVM: VMX: simplify invpcid " Xiao Guangrong
2015-09-09  6:05 ` [PATCH v2 6/8] KVM: VMX: unify SECONDARY_VM_EXEC_CONTROL update Xiao Guangrong
2015-09-15 15:45   ` Paolo Bonzini
2015-09-09  6:05 ` [PATCH v2 7/8] KVM: VMX: clean up bit operation on SECONDARY_VM_EXEC_CONTROL Xiao Guangrong
2015-09-09  6:05 ` [PATCH v2 8/8] KVM: VMX: drop rdtscp_enabled field Xiao Guangrong

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