KVM: VMX: Add printk_ratelimit in vmx_intr_assist

Add printk_ratelimit check in front of printk.  This prevents spamming
of the message during 32-bit ubuntu 6.06server install.  Previously, it
would hang during the partition formatting stage.

Signed-off-by: Ryan Harper <ryanh@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index 7e61a560aab5..11ca2340d38f 100644
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -2263,7 +2263,8 @@ static void vmx_intr_assist(struct kvm_vcpu *vcpu)
         if (intr_info_field & INTR_INFO_VALID_MASK) {
                 if (idtv_info_field & INTR_INFO_VALID_MASK) {
                         /* TODO: fault when IDT_Vectoring */
-                        printk(KERN_ERR "Fault when IDT_Vectoring\n");
+                        if (printk_ratelimit())
+                                printk(KERN_ERR "Fault when IDT_Vectoring\n");
                 }
                 if (has_ext_irq)
                         enable_irq_window(vcpu);