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OpenCloudOS-Kernel
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[PATCH] KVM: AMD SVM: handle MSR_STAR in 32-bit mode 

This is necessary for linux guests.

Signed-off-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Avi Kivity 2006-12-22 01:05:08 -08:00 committed by Linus Torvalds
parent 5aacf0ca41
commit 0e859cacb0
1 changed files with 5 additions and 5 deletions
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10
drivers/kvm/svm.c
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@ -402,11 +402,11 @@ static __init int svm_hardware_setup(void)
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 *vcpu, unsigned ecx, u64 *data)
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 *vcpu, unsigned ecx, u64 data)
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;