From: Avi Kivity <avi@qumranet.com>
To: kvm-devel@lists.sourceforge.net
Cc: linux-kernel@vger.kernel.org, akpm@osdl.org, mingo@elte.hu
Subject: [PATCH 2/3] KVM: AMD SVM: handle MSR_STAR in 32-bit mode
Date: Wed, 13 Dec 2006 12:44:56 -0000 [thread overview]
Message-ID: <20061213124456.C85AA2502E1@il.qumranet.com> (raw)
In-Reply-To: <457FF542.6050602@qumranet.com>
This is necessary for linux guests.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Index: linux-2.6/drivers/kvm/svm.c
===================================================================
--- linux-2.6.orig/drivers/kvm/svm.c
+++ linux-2.6/drivers/kvm/svm.c
@@ -402,11 +402,11 @@ static __init int svm_hardware_setup(voi
set_msr_interception(msrpm_va, MSR_GS_BASE, 1, 1);
set_msr_interception(msrpm_va, MSR_FS_BASE, 1, 1);
set_msr_interception(msrpm_va, MSR_KERNEL_GS_BASE, 1, 1);
- set_msr_interception(msrpm_va, MSR_STAR, 1, 1);
set_msr_interception(msrpm_va, MSR_LSTAR, 1, 1);
set_msr_interception(msrpm_va, MSR_CSTAR, 1, 1);
set_msr_interception(msrpm_va, MSR_SYSCALL_MASK, 1, 1);
#endif
+ set_msr_interception(msrpm_va, MSR_K6_STAR, 1, 1);
set_msr_interception(msrpm_va, MSR_IA32_SYSENTER_CS, 1, 1);
set_msr_interception(msrpm_va, MSR_IA32_SYSENTER_ESP, 1, 1);
set_msr_interception(msrpm_va, MSR_IA32_SYSENTER_EIP, 1, 1);
@@ -1098,10 +1098,10 @@ static int svm_get_msr(struct kvm_vcpu *
case MSR_IA32_APICBASE:
*data = vcpu->apic_base;
break;
-#ifdef CONFIG_X86_64
- case MSR_STAR:
+ case MSR_K6_STAR:
*data = vcpu->svm->vmcb->save.star;
break;
+#ifdef CONFIG_X86_64
case MSR_LSTAR:
*data = vcpu->svm->vmcb->save.lstar;
break;
@@ -1173,10 +1173,10 @@ static int svm_set_msr(struct kvm_vcpu *
case MSR_IA32_APICBASE:
vcpu->apic_base = data;
break;
-#ifdef CONFIG_X86_64_
- case MSR_STAR:
+ case MSR_K6_STAR:
vcpu->svm->vmcb->save.star = data;
break;
+#ifdef CONFIG_X86_64_
case MSR_LSTAR:
vcpu->svm->vmcb->save.lstar = data;
break;
next prev parent reply other threads:[~2006-12-13 13:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-13 12:42 [PATCH 0/3] KVM: Updates Avi Kivity
2006-12-13 12:43 ` [PATCH 1/3] KVM: Disallow the kvm-amd module on intel hardware, and vice versa Avi Kivity
2006-12-13 12:44 ` Avi Kivity
2006-12-13 12:43 ` [PATCH 1/3] KVM: add valid_vcpu() helper Avi Kivity
2006-12-13 12:44 ` Avi Kivity [this message]
2006-12-13 12:45 ` [PATCH 3/3] KVM: AMD SVM: Save and restore the floating point unit state Avi Kivity
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