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| author |   Jan Kiszka <jan.kiszka@web.de> | 2009-02-08 13:28:15 +0100 |
|---|---|---|
| committer |   Avi Kivity <avi@redhat.com> | 2009-03-24 11:03:08 +0200 |
| commit | 34c33d163fe509da8414a736c6328855f8c164e5 (patch) | |
| tree | 673921f5ce66b19e6e0eecf12e9ec94c69acf8e1 | |
| parent | KVM: Add FFXSR support (diff) | |
| download | linux-dev-34c33d163fe509da8414a736c6328855f8c164e5.tar.xz linux-dev-34c33d163fe509da8414a736c6328855f8c164e5.zip | |
KVM: Drop unused evaluations from string pio handlers
Looks like neither the direction nor the rep prefix are used anymore.
Drop related evaluations from SVM's and VMX's I/O exit handlers.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
| -rw-r--r-- | arch/x86/kvm/svm.c | 4 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx.c | 4 |
2 files changed, 2 insertions, 6 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 1c4a018bf4bb..22e88a4a51c7 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1194,7 +1194,7 @@ static int shutdown_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) static int io_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) { u32 io_info = svm->vmcb->control.exit_info_1; /* address size bug? */ - int size, down, in, string, rep; + int size, in, string; unsigned port; ++svm->vcpu.stat.io_exits; @@ -1213,8 +1213,6 @@ static int io_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) in = (io_info & SVM_IOIO_TYPE_MASK) != 0; port = io_info >> 16; size = (io_info & SVM_IOIO_SIZE_MASK) >> SVM_IOIO_SIZE_SHIFT; - rep = (io_info & SVM_IOIO_REP_MASK) != 0; - down = (svm->vmcb->save.rflags & X86_EFLAGS_DF) != 0; skip_emulated_instruction(&svm->vcpu); return kvm_emulate_pio(&svm->vcpu, kvm_run, in, size, port); diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index df454de8acfa..509b35305402 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2698,7 +2698,7 @@ static int handle_triple_fault(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) static int handle_io(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) { unsigned long exit_qualification; - int size, down, in, string, rep; + int size, in, string; unsigned port; ++vcpu->stat.io_exits; @@ -2714,8 +2714,6 @@ static int handle_io(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) size = (exit_qualification & 7) + 1; in = (exit_qualification & 8) != 0; - down = (vmcs_readl(GUEST_RFLAGS) & X86_EFLAGS_DF) != 0; - rep = (exit_qualification & 32) != 0; port = exit_qualification >> 16; skip_emulated_instruction(vcpu); |