KVM: Remove unnecessary ->decache_regs() call

Since we aren't modifying any register, there's no need to decache
the register state.

Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index fd03b4465bcc..5f00c60f0aff 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2297,7 +2297,6 @@ int kvm_emulate_pio(struct kvm_vcpu *vcpu, struct kvm_run *run, int in,
 
         kvm_x86_ops->cache_regs(vcpu);
         memcpy(vcpu->arch.pio_data, &vcpu->arch.regs[VCPU_REGS_RAX], 4);
-        kvm_x86_ops->decache_regs(vcpu);
 
         kvm_x86_ops->skip_emulated_instruction(vcpu);