diff options
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 274652ae6d52..e9040a9b25c6 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4060,9 +4060,12 @@ static int kernel_pio(struct kvm_vcpu *vcpu, void *pd) } -static int emulator_pio_in_emulated(int size, unsigned short port, void *val, - unsigned int count, struct kvm_vcpu *vcpu) +static int emulator_pio_in_emulated(struct x86_emulate_ctxt *ctxt, + int size, unsigned short port, void *val, + unsigned int count) { + struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); + if (vcpu->arch.pio.count) goto data_avail; @@ -4090,10 +4093,12 @@ static int emulator_pio_in_emulated(int size, unsigned short port, void *val, return 0; } -static int emulator_pio_out_emulated(int size, unsigned short port, - const void *val, unsigned int count, - struct kvm_vcpu *vcpu) +static int emulator_pio_out_emulated(struct x86_emulate_ctxt *ctxt, + int size, unsigned short port, + const void *val, unsigned int count) { + struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); + trace_kvm_pio(1, port, size, count); vcpu->arch.pio.port = port; @@ -4614,7 +4619,8 @@ EXPORT_SYMBOL_GPL(x86_emulate_instruction); int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, unsigned short port) { unsigned long val = kvm_register_read(vcpu, VCPU_REGS_RAX); - int ret = emulator_pio_out_emulated(size, port, &val, 1, vcpu); + int ret = emulator_pio_out_emulated(&vcpu->arch.emulate_ctxt, + size, port, &val, 1); /* do not return to emulator after return from userspace */ vcpu->arch.pio.count = 0; return ret; |