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KVM: SVM: Rename lbr_ctl field in the vmcb control area

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Rename the lbr_ctl variable to better reflect the purpose of the field -
provide support for virtualization extensions.

Signed-off-by: Janakarajan Natarajan <Janakarajan.Natarajan@amd.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
This commit is contained in:
Janakarajan Natarajan 2017-07-06 15:50:45 -05:00 committed by Radim Krčmář
parent 8a77e90966
commit 0dc92119b5
2 changed files with 6 additions and 6 deletions
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2
arch/x86/include/asm/svm.h
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@ -83,7 +83,7 @@ struct __attribute__ ((__packed__)) vmcb_control_area {
u32 event_inj;
u32 event_inj_err;
u64 nested_cr3;
u64 lbr_ctl;
u64 virt_ext;
u32 clean;
u32 reserved_5;
u64 next_rip;

10
arch/x86/kvm/svm.c
View file

@ -947,7 +947,7 @@ static void svm_enable_lbrv(struct vcpu_svm *svm)
{
u32 *msrpm = svm->msrpm;
svm->vmcb->control.lbr_ctl |= LBR_CTL_ENABLE_MASK;
svm->vmcb->control.virt_ext |= LBR_CTL_ENABLE_MASK;
set_msr_interception(msrpm, MSR_IA32_LASTBRANCHFROMIP, 1, 1);
set_msr_interception(msrpm, MSR_IA32_LASTBRANCHTOIP, 1, 1);
set_msr_interception(msrpm, MSR_IA32_LASTINTFROMIP, 1, 1);
@ -958,7 +958,7 @@ static void svm_disable_lbrv(struct vcpu_svm *svm)
{
u32 *msrpm = svm->msrpm;
svm->vmcb->control.lbr_ctl &= ~LBR_CTL_ENABLE_MASK;
svm->vmcb->control.virt_ext &= ~LBR_CTL_ENABLE_MASK;
set_msr_interception(msrpm, MSR_IA32_LASTBRANCHFROMIP, 0, 0);
set_msr_interception(msrpm, MSR_IA32_LASTBRANCHTOIP, 0, 0);
set_msr_interception(msrpm, MSR_IA32_LASTINTFROMIP, 0, 0);
@ -2708,7 +2708,7 @@ static inline void copy_vmcb_control_area(struct vmcb *dst_vmcb, struct vmcb *fr
dst->event_inj = from->event_inj;
dst->event_inj_err = from->event_inj_err;
dst->nested_cr3 = from->nested_cr3;
dst->lbr_ctl = from->lbr_ctl;
dst->virt_ext = from->virt_ext;
}
static int nested_svm_vmexit(struct vcpu_svm *svm)
@ -3014,7 +3014,7 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
/* We don't want to see VMMCALLs from a nested guest */
clr_intercept(svm, INTERCEPT_VMMCALL);
svm->vmcb->control.lbr_ctl = nested_vmcb->control.lbr_ctl;
svm->vmcb->control.virt_ext = nested_vmcb->control.virt_ext;
svm->vmcb->control.int_vector = nested_vmcb->control.int_vector;
svm->vmcb->control.int_state = nested_vmcb->control.int_state;
svm->vmcb->control.tsc_offset += nested_vmcb->control.tsc_offset;
@ -4124,7 +4124,7 @@ static void dump_vmcb(struct kvm_vcpu *vcpu)
pr_err("%-20s%016llx\n", "avic_vapic_bar:", control->avic_vapic_bar);
pr_err("%-20s%08x\n", "event_inj:", control->event_inj);
pr_err("%-20s%08x\n", "event_inj_err:", control->event_inj_err);
pr_err("%-20s%lld\n", "lbr_ctl:", control->lbr_ctl);
pr_err("%-20s%lld\n", "virt_ext:", control->virt_ext);
pr_err("%-20s%016llx\n", "next_rip:", control->next_rip);
pr_err("%-20s%016llx\n", "avic_backing_page:", control->avic_backing_page);
pr_err("%-20s%016llx\n", "avic_logical_id:", control->avic_logical_id);