From 7712de872c8ec00a657b867ab0296913f69addac Mon Sep 17 00:00:00 2001 From: Jan Kiszka Date: Mon, 12 Sep 2011 11:25:51 +0200 Subject: [PATCH] KVM: x86: Avoid guest-triggerable printks in APIC model Convert remaining printks that the guest can trigger to apic_printk. Signed-off-by: Jan Kiszka Signed-off-by: Marcelo Tosatti --- arch/x86/kvm/lapic.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 52645f283870..4b53b811d1c1 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -316,8 +316,8 @@ int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda) result = 1; break; default: - printk(KERN_WARNING "Bad DFR vcpu %d: %08x\n", - apic->vcpu->vcpu_id, apic_get_reg(apic, APIC_DFR)); + apic_debug("Bad DFR vcpu %d: %08x\n", + apic->vcpu->vcpu_id, apic_get_reg(apic, APIC_DFR)); break; } @@ -354,8 +354,8 @@ int kvm_apic_match_dest(struct kvm_vcpu *vcpu, struct kvm_lapic *source, result = (target != source); break; default: - printk(KERN_WARNING "Bad dest shorthand value %x\n", - short_hand); + apic_debug("kvm: apic: Bad dest shorthand value %x\n", + short_hand); break; } @@ -401,11 +401,11 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode, break; case APIC_DM_REMRD: - printk(KERN_DEBUG "Ignoring delivery mode 3\n"); + apic_debug("Ignoring delivery mode 3\n"); break; case APIC_DM_SMI: - printk(KERN_DEBUG "Ignoring guest SMI\n"); + apic_debug("Ignoring guest SMI\n"); break; case APIC_DM_NMI: @@ -565,8 +565,7 @@ static u32 __apic_read(struct kvm_lapic *apic, unsigned int offset) val = kvm_apic_id(apic) << 24; break; case APIC_ARBPRI: - printk(KERN_WARNING "Access APIC ARBPRI register " - "which is for P6\n"); + apic_debug("Access APIC ARBPRI register which is for P6\n"); break; case APIC_TMCCT: /* Timer CCR */ @@ -804,14 +803,14 @@ static int apic_reg_write(struct kvm_lapic *apic, u32 reg, u32 val) case APIC_TDCR: if (val & 4) - printk(KERN_ERR "KVM_WRITE:TDCR %x\n", val); + apic_debug("KVM_WRITE:TDCR %x\n", val); apic_set_reg(apic, APIC_TDCR, val); update_divide_count(apic); break; case APIC_ESR: if (apic_x2apic_mode(apic) && val != 0) { - printk(KERN_ERR "KVM_WRITE:ESR not zero %x\n", val); + apic_debug("KVM_WRITE:ESR not zero %x\n", val); ret = 1; } break; -- GitLab