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Diffstat (limited to 'arch/x86/kvm/svm.c')
-rw-r--r--arch/x86/kvm/svm.c21
1 files changed, 8 insertions, 13 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 8ca1eca5038d..08a4d3ab3455 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2074,7 +2074,7 @@ static void svm_set_dr7(struct kvm_vcpu *vcpu, unsigned long value)
static int pf_interception(struct vcpu_svm *svm)
{
u64 fault_address = svm->vmcb->control.exit_info_2;
- u32 error_code;
+ u64 error_code;
int r = 1;
switch (svm->apf_reason) {
@@ -2270,7 +2270,7 @@ static int io_interception(struct vcpu_svm *svm)
++svm->vcpu.stat.io_exits;
string = (io_info & SVM_IOIO_STR_MASK) != 0;
in = (io_info & SVM_IOIO_TYPE_MASK) != 0;
- if (string || in)
+ if (string)
return emulate_instruction(vcpu, 0) == EMULATE_DONE;
port = io_info >> 16;
@@ -2278,7 +2278,8 @@ static int io_interception(struct vcpu_svm *svm)
svm->next_rip = svm->vmcb->control.exit_info_2;
skip_emulated_instruction(&svm->vcpu);
- return kvm_fast_pio_out(vcpu, size, port);
+ return in ? kvm_fast_pio_in(vcpu, size, port)
+ : kvm_fast_pio_out(vcpu, size, port);
}
static int nmi_interception(struct vcpu_svm *svm)
@@ -3150,8 +3151,7 @@ static int skinit_interception(struct vcpu_svm *svm)
static int wbinvd_interception(struct vcpu_svm *svm)
{
- kvm_emulate_wbinvd(&svm->vcpu);
- return 1;
+ return kvm_emulate_wbinvd(&svm->vcpu);
}
static int xsetbv_interception(struct vcpu_svm *svm)
@@ -3238,8 +3238,7 @@ static int task_switch_interception(struct vcpu_svm *svm)
static int cpuid_interception(struct vcpu_svm *svm)
{
svm->next_rip = kvm_rip_read(&svm->vcpu) + 2;
- kvm_emulate_cpuid(&svm->vcpu);
- return 1;
+ return kvm_emulate_cpuid(&svm->vcpu);
}
static int iret_interception(struct vcpu_svm *svm)
@@ -3275,9 +3274,7 @@ static int rdpmc_interception(struct vcpu_svm *svm)
return emulate_on_interception(svm);
err = kvm_rdpmc(&svm->vcpu);
- kvm_complete_insn_gp(&svm->vcpu, err);
-
- return 1;
+ return kvm_complete_insn_gp(&svm->vcpu, err);
}
static bool check_selective_cr0_intercepted(struct vcpu_svm *svm,
@@ -3374,9 +3371,7 @@ static int cr_interception(struct vcpu_svm *svm)
}
kvm_register_write(&svm->vcpu, reg, val);
}
- kvm_complete_insn_gp(&svm->vcpu, err);
-
- return 1;
+ return kvm_complete_insn_gp(&svm->vcpu, err);
}
static int dr_interception(struct vcpu_svm *svm)