MIPS: KVM: Quieten kvm_info() logging

The logging from MIPS KVM is fairly noisy with kvm_info() in places
where it shouldn't be, such as on VM creation and migration to a
different CPU. Replace these kvm_info() calls with kvm_debug().

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Gleb Natapov <gleb@kernel.org>
Cc: kvm@vger.kernel.org
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/mips/kvm/kvm_mips.c

@@ -125,8 +125,8 @@ static void kvm_mips_init_vm_percpu(void *arg)
 int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
 {
 	if (atomic_inc_return(&kvm_mips_instance) == 1) {
-		kvm_info("%s: 1st KVM instance, setup host TLB parameters\n",
-			 __func__);
+		kvm_debug("%s: 1st KVM instance, setup host TLB parameters\n",
+			  __func__);
 		on_each_cpu(kvm_mips_init_vm_percpu, kvm, 1);
 	}
 
@@ -181,8 +181,8 @@ void kvm_arch_destroy_vm(struct kvm *kvm)
 
 	/* If this is the last instance, restore wired count */
 	if (atomic_dec_return(&kvm_mips_instance) == 0) {
-		kvm_info("%s: last KVM instance, restoring TLB parameters\n",
-			 __func__);
+		kvm_debug("%s: last KVM instance, restoring TLB parameters\n",
+			  __func__);
 		on_each_cpu(kvm_mips_uninit_tlbs, NULL, 1);
 	}
 }
@@ -244,9 +244,8 @@ void kvm_arch_commit_memory_region(struct kvm *kvm,
 				goto out;
 			}
 
-			kvm_info
-			    ("Allocated space for Guest PMAP Table (%ld pages) @ %p\n",
-			     npages, kvm->arch.guest_pmap);
+			kvm_debug("Allocated space for Guest PMAP Table (%ld pages) @ %p\n",
+				  npages, kvm->arch.guest_pmap);
 
 			/* Now setup the page table */
 			for (i = 0; i < npages; i++) {
@@ -291,7 +290,7 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
 	if (err)
 		goto out_free_cpu;
 
-	kvm_info("kvm @ %p: create cpu %d at %p\n", kvm, id, vcpu);
+	kvm_debug("kvm @ %p: create cpu %d at %p\n", kvm, id, vcpu);
 
 	/* Allocate space for host mode exception handlers that handle
 	 * guest mode exits
@@ -311,8 +310,8 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
 		err = -ENOMEM;
 		goto out_free_cpu;
 	}
-	kvm_info("Allocated %d bytes for KVM Exception Handlers @ %p\n",
-		 ALIGN(size, PAGE_SIZE), gebase);
+	kvm_debug("Allocated %d bytes for KVM Exception Handlers @ %p\n",
+		  ALIGN(size, PAGE_SIZE), gebase);
 
 	/* Save new ebase */
 	vcpu->arch.guest_ebase = gebase;
@@ -337,9 +336,9 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
 
 	/* General handler, relocate to unmapped space for sanity's sake */
 	offset = 0x2000;
-	kvm_info("Installing KVM Exception handlers @ %p, %#x bytes\n",
-		 gebase + offset,
-		 mips32_GuestExceptionEnd - mips32_GuestException);
+	kvm_debug("Installing KVM Exception handlers @ %p, %#x bytes\n",
+		  gebase + offset,
+		  mips32_GuestExceptionEnd - mips32_GuestException);
 
 	memcpy(gebase + offset, mips32_GuestException,
 	       mips32_GuestExceptionEnd - mips32_GuestException);
@@ -356,7 +355,7 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
 		goto out_free_gebase;
 	}
 
-	kvm_info("Allocated COMM page @ %p\n", vcpu->arch.kseg0_commpage);
+	kvm_debug("Allocated COMM page @ %p\n", vcpu->arch.kseg0_commpage);
 	kvm_mips_commpage_init(vcpu);
 
 	/* Init */

arch/mips/kvm/kvm_tlb.c

@@ -679,17 +679,17 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 		    vcpu->arch.guest_user_mm.context.asid[cpu];
 		newasid++;
 
-		kvm_info("[%d]: cpu_context: %#lx\n", cpu,
-			 cpu_context(cpu, current->mm));
-		kvm_info("[%d]: Allocated new ASID for Guest Kernel: %#x\n",
-			 cpu, vcpu->arch.guest_kernel_asid[cpu]);
-		kvm_info("[%d]: Allocated new ASID for Guest User: %#x\n", cpu,
-			 vcpu->arch.guest_user_asid[cpu]);
+		kvm_debug("[%d]: cpu_context: %#lx\n", cpu,
+			  cpu_context(cpu, current->mm));
+		kvm_debug("[%d]: Allocated new ASID for Guest Kernel: %#x\n",
+			  cpu, vcpu->arch.guest_kernel_asid[cpu]);
+		kvm_debug("[%d]: Allocated new ASID for Guest User: %#x\n", cpu,
+			  vcpu->arch.guest_user_asid[cpu]);
 	}
 
 	if (vcpu->arch.last_sched_cpu != cpu) {
-		kvm_info("[%d->%d]KVM VCPU[%d] switch\n",
-			 vcpu->arch.last_sched_cpu, cpu, vcpu->vcpu_id);
+		kvm_debug("[%d->%d]KVM VCPU[%d] switch\n",
+			  vcpu->arch.last_sched_cpu, cpu, vcpu->vcpu_id);
 		/*
 		 * Migrate the timer interrupt to the current CPU so that it
 		 * always interrupts the guest and synchronously triggers a