diff options
author | Bandan Das <bsd@redhat.com> | 2016-11-15 01:36:18 -0500 |
---|---|---|
committer | Radim Krčmář <rkrcmar@redhat.com> | 2016-11-22 18:29:10 +0100 |
commit | ae0f5499511e5b1723792c848e44d661d0d4e22f (patch) | |
tree | 0e09c6681e7b59fd33f6fc20029d7b7a54353681 | |
parent | bcdde302b8268ef7dbc4ddbdaffb5b44eafe9a1e (diff) | |
download | op-kernel-dev-ae0f5499511e5b1723792c848e44d661d0d4e22f.zip op-kernel-dev-ae0f5499511e5b1723792c848e44d661d0d4e22f.tar.gz |
kvm: x86: don't print warning messages for unimplemented msrs
Change unimplemented msrs messages to use pr_debug.
If CONFIG_DYNAMIC_DEBUG is set, then these messages can be
enabled at run time or else -DDEBUG can be used at compile
time to enable them. These messages will still be printed if
ignore_msrs=1.
Signed-off-by: Bandan Das <bsd@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
-rw-r--r-- | arch/x86/kvm/mmu.c | 2 | ||||
-rw-r--r-- | arch/x86/kvm/x86.c | 5 | ||||
-rw-r--r-- | include/linux/kvm_host.h | 6 |
3 files changed, 10 insertions, 3 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 1d2f350..2a5ccec 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -4959,7 +4959,7 @@ void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm, struct kvm_memslots *slots) * zap all shadow pages. */ if (unlikely((slots->generation & MMIO_GEN_MASK) == 0)) { - printk_ratelimited(KERN_DEBUG "kvm: zapping shadow pages for mmio generation wraparound\n"); + kvm_debug_ratelimited("kvm: zapping shadow pages for mmio generation wraparound\n"); kvm_mmu_invalidate_zap_all_pages(kvm); } } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 792980f..6f9c9ad 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2277,7 +2277,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) if (kvm_pmu_is_valid_msr(vcpu, msr)) return kvm_pmu_set_msr(vcpu, msr_info); if (!ignore_msrs) { - vcpu_unimpl(vcpu, "unhandled wrmsr: 0x%x data 0x%llx\n", + vcpu_debug_ratelimited(vcpu, "unhandled wrmsr: 0x%x data 0x%llx\n", msr, data); return 1; } else { @@ -2489,7 +2489,8 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) if (kvm_pmu_is_valid_msr(vcpu, msr_info->index)) return kvm_pmu_get_msr(vcpu, msr_info->index, &msr_info->data); if (!ignore_msrs) { - vcpu_unimpl(vcpu, "unhandled rdmsr: 0x%x\n", msr_info->index); + vcpu_debug_ratelimited(vcpu, "unhandled rdmsr: 0x%x\n", + msr_info->index); return 1; } else { vcpu_unimpl(vcpu, "ignored rdmsr: 0x%x\n", msr_info->index); diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 01c0b9c..274bf34 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -439,6 +439,9 @@ struct kvm { pr_info("kvm [%i]: " fmt, task_pid_nr(current), ## __VA_ARGS__) #define kvm_debug(fmt, ...) \ pr_debug("kvm [%i]: " fmt, task_pid_nr(current), ## __VA_ARGS__) +#define kvm_debug_ratelimited(fmt, ...) \ + pr_debug_ratelimited("kvm [%i]: " fmt, task_pid_nr(current), \ + ## __VA_ARGS__) #define kvm_pr_unimpl(fmt, ...) \ pr_err_ratelimited("kvm [%i]: " fmt, \ task_tgid_nr(current), ## __VA_ARGS__) @@ -450,6 +453,9 @@ struct kvm { #define vcpu_debug(vcpu, fmt, ...) \ kvm_debug("vcpu%i " fmt, (vcpu)->vcpu_id, ## __VA_ARGS__) +#define vcpu_debug_ratelimited(vcpu, fmt, ...) \ + kvm_debug_ratelimited("vcpu%i " fmt, (vcpu)->vcpu_id, \ + ## __VA_ARGS__) #define vcpu_err(vcpu, fmt, ...) \ kvm_err("vcpu%i " fmt, (vcpu)->vcpu_id, ## __VA_ARGS__) |