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Diffstat (limited to 'arch/x86/kvm/svm.c')
-rw-r--r--arch/x86/kvm/svm.c41
1 files changed, 20 insertions, 21 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 1e8616e..86d802b 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -303,20 +303,35 @@ static inline bool is_cr_intercept(struct vcpu_svm *svm, int bit)
return vmcb->control.intercept_cr & (1U << bit);
}
-static inline void set_dr_intercept(struct vcpu_svm *svm, int bit)
+static inline void set_dr_intercepts(struct vcpu_svm *svm)
{
struct vmcb *vmcb = get_host_vmcb(svm);
- vmcb->control.intercept_dr |= (1U << bit);
+ vmcb->control.intercept_dr = (1 << INTERCEPT_DR0_READ)
+ | (1 << INTERCEPT_DR1_READ)
+ | (1 << INTERCEPT_DR2_READ)
+ | (1 << INTERCEPT_DR3_READ)
+ | (1 << INTERCEPT_DR4_READ)
+ | (1 << INTERCEPT_DR5_READ)
+ | (1 << INTERCEPT_DR6_READ)
+ | (1 << INTERCEPT_DR7_READ)
+ | (1 << INTERCEPT_DR0_WRITE)
+ | (1 << INTERCEPT_DR1_WRITE)
+ | (1 << INTERCEPT_DR2_WRITE)
+ | (1 << INTERCEPT_DR3_WRITE)
+ | (1 << INTERCEPT_DR4_WRITE)
+ | (1 << INTERCEPT_DR5_WRITE)
+ | (1 << INTERCEPT_DR6_WRITE)
+ | (1 << INTERCEPT_DR7_WRITE);
recalc_intercepts(svm);
}
-static inline void clr_dr_intercept(struct vcpu_svm *svm, int bit)
+static inline void clr_dr_intercepts(struct vcpu_svm *svm)
{
struct vmcb *vmcb = get_host_vmcb(svm);
- vmcb->control.intercept_dr &= ~(1U << bit);
+ vmcb->control.intercept_dr = 0;
recalc_intercepts(svm);
}
@@ -1080,23 +1095,7 @@ static void init_vmcb(struct vcpu_svm *svm)
set_cr_intercept(svm, INTERCEPT_CR4_WRITE);
set_cr_intercept(svm, INTERCEPT_CR8_WRITE);
- set_dr_intercept(svm, INTERCEPT_DR0_READ);
- set_dr_intercept(svm, INTERCEPT_DR1_READ);
- set_dr_intercept(svm, INTERCEPT_DR2_READ);
- set_dr_intercept(svm, INTERCEPT_DR3_READ);
- set_dr_intercept(svm, INTERCEPT_DR4_READ);
- set_dr_intercept(svm, INTERCEPT_DR5_READ);
- set_dr_intercept(svm, INTERCEPT_DR6_READ);
- set_dr_intercept(svm, INTERCEPT_DR7_READ);
-
- set_dr_intercept(svm, INTERCEPT_DR0_WRITE);
- set_dr_intercept(svm, INTERCEPT_DR1_WRITE);
- set_dr_intercept(svm, INTERCEPT_DR2_WRITE);
- set_dr_intercept(svm, INTERCEPT_DR3_WRITE);
- set_dr_intercept(svm, INTERCEPT_DR4_WRITE);
- set_dr_intercept(svm, INTERCEPT_DR5_WRITE);
- set_dr_intercept(svm, INTERCEPT_DR6_WRITE);
- set_dr_intercept(svm, INTERCEPT_DR7_WRITE);
+ set_dr_intercepts(svm);
set_exception_intercept(svm, PF_VECTOR);
set_exception_intercept(svm, UD_VECTOR);
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